82438720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:205

約数の個数: 224

約数和(自身を含む): 256032000

約数和(自身を除く): 173593280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 32, 35, 38, 40, 52, 56, 64, 65, 70, 76, 80, 91, 95, 104, 112, 130, 133, 140, 149, 152, 160, 182, 190, 208, 224, 247, 260, 266, 280, 298, 304, 320, 364, 380, 416, 448, 455, 494, 520, 532, 560, 596, 608, 665, 728, 745, 760, 832, 910, 988, 1040, 1043, 1064, 1120, 1192, 1216, 1235, 1330, 1456, 1490, 1520, 1729, 1820, 1937, 1976, 2080, 2086, 2128, 2240, 2384, 2470, 2660, 2831, 2912, 2980, 3040, 3458, 3640, 3874, 3952, 4160, 4172, 4256, 4768, 4940, 5215, 5320, 5662, 5824, 5960, 6080, 6916, 7280, 7748, 7904, 8344, 8512, 8645, 9536, 9685, 9880, 10430, 10640, 11324, 11920, 13559, 13832, 14155, 14560, 15496, 15808, 16688, 17290, 19370, 19760, 19817, 20860, 21280, 22648, 23840, 27118, 27664, 28310, 29120, 30992, 33376, 34580, 36803, 38740, 39520, 39634, 41720, 42560, 45296, 47680, 54236, 55328, 56620, 61984, 66752, 67795, 69160, 73606, 77480, 79040, 79268, 83440, 90592, 99085, 108472, 110656, 113240, 123968, 135590, 138320, 147212, 154960, 158536, 166880, 181184, 184015, 198170, 216944, 226480, 257621, 271180, 276640, 294424, 309920, 317072, 333760, 368030, 396340, 433888, 452960, 515242, 542360, 553280, 588848, 619840, 634144, 736060, 792680, 867776, 905920, 1030484, 1084720, 1177696, 1268288, 1288105, 1472120, 1585360, 2060968, 2169440, 2355392, 2576210, 2944240, 3170720, 4121936, 4338880, 5152420, 5888480, 6341440, 8243872, 10304840, 11776960, 16487744, 20609680, 41219360, 82438720]

約数ペア:

[(1, 82438720), (2, 41219360), (4, 20609680), (5, 16487744), (7, 11776960), (8, 10304840), (10, 8243872), (13, 6341440), (14, 5888480), (16, 5152420), (19, 4338880), (20, 4121936), (26, 3170720), (28, 2944240), (32, 2576210), (35, 2355392), (38, 2169440), (40, 2060968), (52, 1585360), (56, 1472120), (64, 1288105), (65, 1268288), (70, 1177696), (76, 1084720), (80, 1030484), (91, 905920), (95, 867776), (104, 792680), (112, 736060), (130, 634144), (133, 619840), (140, 588848), (149, 553280), (152, 542360), (160, 515242), (182, 452960), (190, 433888), (208, 396340), (224, 368030), (247, 333760), (260, 317072), (266, 309920), (280, 294424), (298, 276640), (304, 271180), (320, 257621), (364, 226480), (380, 216944), (416, 198170), (448, 184015), (455, 181184), (494, 166880), (520, 158536), (532, 154960), (560, 147212), (596, 138320), (608, 135590), (665, 123968), (728, 113240), (745, 110656), (760, 108472), (832, 99085), (910, 90592), (988, 83440), (1040, 79268), (1043, 79040), (1064, 77480), (1120, 73606), (1192, 69160), (1216, 67795), (1235, 66752), (1330, 61984), (1456, 56620), (1490, 55328), (1520, 54236), (1729, 47680), (1820, 45296), (1937, 42560), (1976, 41720), (2080, 39634), (2086, 39520), (2128, 38740), (2240, 36803), (2384, 34580), (2470, 33376), (2660, 30992), (2831, 29120), (2912, 28310), (2980, 27664), (3040, 27118), (3458, 23840), (3640, 22648), (3874, 21280), (3952, 20860), (4160, 19817), (4172, 19760), (4256, 19370), (4768, 17290), (4940, 16688), (5215, 15808), (5320, 15496), (5662, 14560), (5824, 14155), (5960, 13832), (6080, 13559), (6916, 11920), (7280, 11324), (7748, 10640), (7904, 10430), (8344, 9880), (8512, 9685), (8645, 9536)]