68404140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{233}}^2$

素因数の和:488

約数の個数: 108

約数和(自身を含む): 238156464

約数和(自身を除く): 169752324

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 233, 252, 315, 420, 466, 630, 699, 932, 1165, 1260, 1398, 1631, 2097, 2330, 2796, 3262, 3495, 4194, 4660, 4893, 6524, 6990, 8155, 8388, 9786, 10485, 13980, 14679, 16310, 19572, 20970, 24465, 29358, 32620, 41940, 48930, 54289, 58716, 73395, 97860, 108578, 146790, 162867, 217156, 271445, 293580, 325734, 380023, 488601, 542890, 651468, 760046, 814335, 977202, 1085780, 1140069, 1520092, 1628670, 1900115, 1954404, 2280138, 2443005, 3257340, 3420207, 3800230, 4560276, 4886010, 5700345, 6840414, 7600460, 9772020, 11400690, 13680828, 17101035, 22801380, 34202070, 68404140]

約数ペア:

[(1, 68404140), (2, 34202070), (3, 22801380), (4, 17101035), (5, 13680828), (6, 11400690), (7, 9772020), (9, 7600460), (10, 6840414), (12, 5700345), (14, 4886010), (15, 4560276), (18, 3800230), (20, 3420207), (21, 3257340), (28, 2443005), (30, 2280138), (35, 1954404), (36, 1900115), (42, 1628670), (45, 1520092), (60, 1140069), (63, 1085780), (70, 977202), (84, 814335), (90, 760046), (105, 651468), (126, 542890), (140, 488601), (180, 380023), (210, 325734), (233, 293580), (252, 271445), (315, 217156), (420, 162867), (466, 146790), (630, 108578), (699, 97860), (932, 73395), (1165, 58716), (1260, 54289), (1398, 48930), (1631, 41940), (2097, 32620), (2330, 29358), (2796, 24465), (3262, 20970), (3495, 19572), (4194, 16310), (4660, 14679), (4893, 13980), (6524, 10485), (6990, 9786), (8155, 8388)]