280740720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:192

約数の個数: 320

約数和(自身を含む): 1019934720

約数和(自身を除く): 739194000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 34, 39, 40, 48, 51, 52, 60, 65, 67, 68, 78, 79, 80, 85, 102, 104, 120, 130, 134, 136, 156, 158, 170, 195, 201, 204, 208, 221, 237, 240, 255, 260, 268, 272, 312, 316, 335, 340, 390, 395, 402, 408, 442, 474, 510, 520, 536, 624, 632, 663, 670, 680, 780, 790, 804, 816, 871, 884, 948, 1005, 1020, 1027, 1040, 1072, 1105, 1139, 1185, 1264, 1326, 1340, 1343, 1360, 1560, 1580, 1608, 1742, 1768, 1896, 2010, 2040, 2054, 2210, 2278, 2370, 2613, 2652, 2680, 2686, 3081, 3120, 3160, 3216, 3315, 3417, 3484, 3536, 3792, 4020, 4029, 4080, 4108, 4355, 4420, 4556, 4740, 5135, 5226, 5293, 5304, 5360, 5372, 5695, 6162, 6320, 6630, 6715, 6834, 6968, 8040, 8058, 8216, 8710, 8840, 9112, 9480, 10270, 10452, 10586, 10608, 10744, 11390, 12324, 13065, 13260, 13430, 13668, 13936, 14807, 15405, 15879, 16080, 16116, 16432, 17085, 17420, 17459, 17680, 18224, 18960, 20145, 20540, 20904, 21172, 21488, 22780, 24648, 26130, 26465, 26520, 26860, 27336, 29614, 30810, 31758, 32232, 34170, 34840, 34918, 40290, 41080, 41808, 42344, 44421, 45560, 49296, 52260, 52377, 52930, 53040, 53720, 54672, 59228, 61620, 63516, 64464, 68340, 68809, 69680, 69836, 74035, 79395, 80580, 82160, 84688, 87295, 88842, 89981, 91120, 104520, 104754, 105860, 107440, 118456, 123240, 127032, 136680, 137618, 139672, 148070, 158790, 161160, 174590, 177684, 179962, 206427, 209040, 209508, 211720, 222105, 236912, 246480, 254064, 261885, 269943, 273360, 275236, 279344, 296140, 317580, 322320, 344045, 349180, 355368, 359924, 412854, 419016, 423440, 444210, 449905, 523770, 539886, 550472, 592280, 635160, 688090, 698360, 710736, 719848, 825708, 838032, 888420, 899810, 1032135, 1047540, 1079772, 1100944, 1169753, 1184560, 1270320, 1349715, 1376180, 1396720, 1439696, 1651416, 1776840, 1799620, 2064270, 2095080, 2159544, 2339506, 2699430, 2752360, 3302832, 3509259, 3553680, 3599240, 4128540, 4190160, 4319088, 4679012, 5398860, 5504720, 5848765, 7018518, 7198480, 8257080, 9358024, 10797720, 11697530, 14037036, 16514160, 17546295, 18716048, 21595440, 23395060, 28074072, 35092590, 46790120, 56148144, 70185180, 93580240, 140370360, 280740720]

約数ペア:

[(1, 280740720), (2, 140370360), (3, 93580240), (4, 70185180), (5, 56148144), (6, 46790120), (8, 35092590), (10, 28074072), (12, 23395060), (13, 21595440), (15, 18716048), (16, 17546295), (17, 16514160), (20, 14037036), (24, 11697530), (26, 10797720), (30, 9358024), (34, 8257080), (39, 7198480), (40, 7018518), (48, 5848765), (51, 5504720), (52, 5398860), (60, 4679012), (65, 4319088), (67, 4190160), (68, 4128540), (78, 3599240), (79, 3553680), (80, 3509259), (85, 3302832), (102, 2752360), (104, 2699430), (120, 2339506), (130, 2159544), (134, 2095080), (136, 2064270), (156, 1799620), (158, 1776840), (170, 1651416), (195, 1439696), (201, 1396720), (204, 1376180), (208, 1349715), (221, 1270320), (237, 1184560), (240, 1169753), (255, 1100944), (260, 1079772), (268, 1047540), (272, 1032135), (312, 899810), (316, 888420), (335, 838032), (340, 825708), (390, 719848), (395, 710736), (402, 698360), (408, 688090), (442, 635160), (474, 592280), (510, 550472), (520, 539886), (536, 523770), (624, 449905), (632, 444210), (663, 423440), (670, 419016), (680, 412854), (780, 359924), (790, 355368), (804, 349180), (816, 344045), (871, 322320), (884, 317580), (948, 296140), (1005, 279344), (1020, 275236), (1027, 273360), (1040, 269943), (1072, 261885), (1105, 254064), (1139, 246480), (1185, 236912), (1264, 222105), (1326, 211720), (1340, 209508), (1343, 209040), (1360, 206427), (1560, 179962), (1580, 177684), (1608, 174590), (1742, 161160), (1768, 158790), (1896, 148070), (2010, 139672), (2040, 137618), (2054, 136680), (2210, 127032), (2278, 123240), (2370, 118456), (2613, 107440), (2652, 105860), (2680, 104754), (2686, 104520), (3081, 91120), (3120, 89981), (3160, 88842), (3216, 87295), (3315, 84688), (3417, 82160), (3484, 80580), (3536, 79395), (3792, 74035), (4020, 69836), (4029, 69680), (4080, 68809), (4108, 68340), (4355, 64464), (4420, 63516), (4556, 61620), (4740, 59228), (5135, 54672), (5226, 53720), (5293, 53040), (5304, 52930), (5360, 52377), (5372, 52260), (5695, 49296), (6162, 45560), (6320, 44421), (6630, 42344), (6715, 41808), (6834, 41080), (6968, 40290), (8040, 34918), (8058, 34840), (8216, 34170), (8710, 32232), (8840, 31758), (9112, 30810), (9480, 29614), (10270, 27336), (10452, 26860), (10586, 26520), (10608, 26465), (10744, 26130), (11390, 24648), (12324, 22780), (13065, 21488), (13260, 21172), (13430, 20904), (13668, 20540), (13936, 20145), (14807, 18960), (15405, 18224), (15879, 17680), (16080, 17459), (16116, 17420), (16432, 17085)]