68172780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1231}}^1$

素因数の和:1327

約数の個数: 96

約数和(自身を含む): 208631808

約数和(自身を除く): 140459028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 71, 78, 130, 142, 156, 195, 213, 260, 284, 355, 390, 426, 710, 780, 852, 923, 1065, 1231, 1420, 1846, 2130, 2462, 2769, 3692, 3693, 4260, 4615, 4924, 5538, 6155, 7386, 9230, 11076, 12310, 13845, 14772, 16003, 18460, 18465, 24620, 27690, 32006, 36930, 48009, 55380, 64012, 73860, 80015, 87401, 96018, 160030, 174802, 192036, 240045, 262203, 320060, 349604, 437005, 480090, 524406, 874010, 960180, 1048812, 1136213, 1311015, 1748020, 2272426, 2622030, 3408639, 4544852, 5244060, 5681065, 6817278, 11362130, 13634556, 17043195, 22724260, 34086390, 68172780]

約数ペア:

[(1, 68172780), (2, 34086390), (3, 22724260), (4, 17043195), (5, 13634556), (6, 11362130), (10, 6817278), (12, 5681065), (13, 5244060), (15, 4544852), (20, 3408639), (26, 2622030), (30, 2272426), (39, 1748020), (52, 1311015), (60, 1136213), (65, 1048812), (71, 960180), (78, 874010), (130, 524406), (142, 480090), (156, 437005), (195, 349604), (213, 320060), (260, 262203), (284, 240045), (355, 192036), (390, 174802), (426, 160030), (710, 96018), (780, 87401), (852, 80015), (923, 73860), (1065, 64012), (1231, 55380), (1420, 48009), (1846, 36930), (2130, 32006), (2462, 27690), (2769, 24620), (3692, 18465), (3693, 18460), (4260, 16003), (4615, 14772), (4924, 13845), (5538, 12310), (6155, 11076), (7386, 9230)]