68400540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29231}}^1$

素因数の和:29259

約数の個数: 72

約数和(自身を含む): 223449408

約数和(自身を除く): 155048868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 29231, 58462, 87693, 116924, 146155, 175386, 263079, 292310, 350772, 380003, 438465, 526158, 584620, 760006, 876930, 1052316, 1140009, 1315395, 1520012, 1753860, 1900015, 2280018, 2630790, 3420027, 3800030, 4560036, 5261580, 5700045, 6840054, 7600060, 11400090, 13680108, 17100135, 22800180, 34200270, 68400540]

約数ペア:

[(1, 68400540), (2, 34200270), (3, 22800180), (4, 17100135), (5, 13680108), (6, 11400090), (9, 7600060), (10, 6840054), (12, 5700045), (13, 5261580), (15, 4560036), (18, 3800030), (20, 3420027), (26, 2630790), (30, 2280018), (36, 1900015), (39, 1753860), (45, 1520012), (52, 1315395), (60, 1140009), (65, 1052316), (78, 876930), (90, 760006), (117, 584620), (130, 526158), (156, 438465), (180, 380003), (195, 350772), (234, 292310), (260, 263079), (390, 175386), (468, 146155), (585, 116924), (780, 87693), (1170, 58462), (2340, 29231)]