278484720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:423

約数の個数: 160

約数和(自身を含む): 893514240

約数和(自身を除く): 615029520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 59, 60, 71, 80, 118, 120, 142, 177, 213, 236, 240, 277, 284, 295, 354, 355, 426, 472, 554, 568, 590, 708, 710, 831, 852, 885, 944, 1065, 1108, 1136, 1180, 1385, 1416, 1420, 1662, 1704, 1770, 2130, 2216, 2360, 2770, 2832, 2840, 3324, 3408, 3540, 4155, 4189, 4260, 4432, 4720, 5540, 5680, 6648, 7080, 8310, 8378, 8520, 11080, 12567, 13296, 14160, 16343, 16620, 16756, 17040, 19667, 20945, 22160, 25134, 32686, 33240, 33512, 39334, 41890, 49029, 50268, 59001, 62835, 65372, 66480, 67024, 78668, 81715, 83780, 98058, 98335, 100536, 118002, 125670, 130744, 157336, 163430, 167560, 196116, 196670, 201072, 236004, 245145, 251340, 261488, 295005, 314672, 326860, 335120, 392232, 393340, 472008, 490290, 502680, 590010, 653720, 784464, 786680, 944016, 980580, 1005360, 1160353, 1180020, 1307440, 1573360, 1961160, 2320706, 2360040, 3481059, 3922320, 4641412, 4720080, 5801765, 6962118, 9282824, 11603530, 13924236, 17405295, 18565648, 23207060, 27848472, 34810590, 46414120, 55696944, 69621180, 92828240, 139242360, 278484720]

約数ペア:

[(1, 278484720), (2, 139242360), (3, 92828240), (4, 69621180), (5, 55696944), (6, 46414120), (8, 34810590), (10, 27848472), (12, 23207060), (15, 18565648), (16, 17405295), (20, 13924236), (24, 11603530), (30, 9282824), (40, 6962118), (48, 5801765), (59, 4720080), (60, 4641412), (71, 3922320), (80, 3481059), (118, 2360040), (120, 2320706), (142, 1961160), (177, 1573360), (213, 1307440), (236, 1180020), (240, 1160353), (277, 1005360), (284, 980580), (295, 944016), (354, 786680), (355, 784464), (426, 653720), (472, 590010), (554, 502680), (568, 490290), (590, 472008), (708, 393340), (710, 392232), (831, 335120), (852, 326860), (885, 314672), (944, 295005), (1065, 261488), (1108, 251340), (1136, 245145), (1180, 236004), (1385, 201072), (1416, 196670), (1420, 196116), (1662, 167560), (1704, 163430), (1770, 157336), (2130, 130744), (2216, 125670), (2360, 118002), (2770, 100536), (2832, 98335), (2840, 98058), (3324, 83780), (3408, 81715), (3540, 78668), (4155, 67024), (4189, 66480), (4260, 65372), (4432, 62835), (4720, 59001), (5540, 50268), (5680, 49029), (6648, 41890), (7080, 39334), (8310, 33512), (8378, 33240), (8520, 32686), (11080, 25134), (12567, 22160), (13296, 20945), (14160, 19667), (16343, 17040), (16620, 16756)]