281871840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1065

約数の個数: 192

約数和(自身を含む): 965744640

約数和(自身を除く): 683872800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 32, 38, 40, 48, 57, 60, 62, 76, 80, 93, 95, 96, 114, 120, 124, 152, 155, 160, 186, 190, 228, 240, 248, 285, 304, 310, 372, 380, 456, 465, 480, 496, 570, 589, 608, 620, 744, 760, 912, 930, 992, 997, 1140, 1178, 1240, 1488, 1520, 1767, 1824, 1860, 1994, 2280, 2356, 2480, 2945, 2976, 2991, 3040, 3534, 3720, 3988, 4560, 4712, 4960, 4985, 5890, 5982, 7068, 7440, 7976, 8835, 9120, 9424, 9970, 11780, 11964, 14136, 14880, 14955, 15952, 17670, 18848, 18943, 19940, 23560, 23928, 28272, 29910, 30907, 31904, 35340, 37886, 39880, 47120, 47856, 56544, 56829, 59820, 61814, 70680, 75772, 79760, 92721, 94240, 94715, 95712, 113658, 119640, 123628, 141360, 151544, 154535, 159520, 185442, 189430, 227316, 239280, 247256, 282720, 284145, 303088, 309070, 370884, 378860, 454632, 463605, 478560, 494512, 568290, 587233, 606176, 618140, 741768, 757720, 909264, 927210, 989024, 1136580, 1174466, 1236280, 1483536, 1515440, 1761699, 1818528, 1854420, 2273160, 2348932, 2472560, 2936165, 2967072, 3030880, 3523398, 3708840, 4546320, 4697864, 4945120, 5872330, 7046796, 7417680, 8808495, 9092640, 9395728, 11744660, 14093592, 14835360, 17616990, 18791456, 23489320, 28187184, 35233980, 46978640, 56374368, 70467960, 93957280, 140935920, 281871840]

約数ペア:

[(1, 281871840), (2, 140935920), (3, 93957280), (4, 70467960), (5, 56374368), (6, 46978640), (8, 35233980), (10, 28187184), (12, 23489320), (15, 18791456), (16, 17616990), (19, 14835360), (20, 14093592), (24, 11744660), (30, 9395728), (31, 9092640), (32, 8808495), (38, 7417680), (40, 7046796), (48, 5872330), (57, 4945120), (60, 4697864), (62, 4546320), (76, 3708840), (80, 3523398), (93, 3030880), (95, 2967072), (96, 2936165), (114, 2472560), (120, 2348932), (124, 2273160), (152, 1854420), (155, 1818528), (160, 1761699), (186, 1515440), (190, 1483536), (228, 1236280), (240, 1174466), (248, 1136580), (285, 989024), (304, 927210), (310, 909264), (372, 757720), (380, 741768), (456, 618140), (465, 606176), (480, 587233), (496, 568290), (570, 494512), (589, 478560), (608, 463605), (620, 454632), (744, 378860), (760, 370884), (912, 309070), (930, 303088), (992, 284145), (997, 282720), (1140, 247256), (1178, 239280), (1240, 227316), (1488, 189430), (1520, 185442), (1767, 159520), (1824, 154535), (1860, 151544), (1994, 141360), (2280, 123628), (2356, 119640), (2480, 113658), (2945, 95712), (2976, 94715), (2991, 94240), (3040, 92721), (3534, 79760), (3720, 75772), (3988, 70680), (4560, 61814), (4712, 59820), (4960, 56829), (4985, 56544), (5890, 47856), (5982, 47120), (7068, 39880), (7440, 37886), (7976, 35340), (8835, 31904), (9120, 30907), (9424, 29910), (9970, 28272), (11780, 23928), (11964, 23560), (14136, 19940), (14880, 18943), (14955, 18848), (15952, 17670)]