68539140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:290

約数の個数: 144

約数和(自身を含む): 218889216

約数和(自身を除く): 150350076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 71, 90, 93, 124, 142, 155, 173, 180, 186, 213, 279, 284, 310, 346, 355, 372, 426, 465, 519, 558, 620, 639, 692, 710, 852, 865, 930, 1038, 1065, 1116, 1278, 1395, 1420, 1557, 1730, 1860, 2076, 2130, 2201, 2556, 2595, 2790, 3114, 3195, 3460, 4260, 4402, 5190, 5363, 5580, 6228, 6390, 6603, 7785, 8804, 10380, 10726, 11005, 12283, 12780, 13206, 15570, 16089, 19809, 21452, 22010, 24566, 26412, 26815, 31140, 32178, 33015, 36849, 39618, 44020, 48267, 49132, 53630, 61415, 64356, 66030, 73698, 79236, 80445, 96534, 99045, 107260, 110547, 122830, 132060, 147396, 160890, 184245, 193068, 198090, 221094, 241335, 245660, 321780, 368490, 380773, 396180, 442188, 482670, 552735, 736980, 761546, 965340, 1105470, 1142319, 1523092, 1903865, 2210940, 2284638, 3426957, 3807730, 4569276, 5711595, 6853914, 7615460, 11423190, 13707828, 17134785, 22846380, 34269570, 68539140]

約数ペア:

[(1, 68539140), (2, 34269570), (3, 22846380), (4, 17134785), (5, 13707828), (6, 11423190), (9, 7615460), (10, 6853914), (12, 5711595), (15, 4569276), (18, 3807730), (20, 3426957), (30, 2284638), (31, 2210940), (36, 1903865), (45, 1523092), (60, 1142319), (62, 1105470), (71, 965340), (90, 761546), (93, 736980), (124, 552735), (142, 482670), (155, 442188), (173, 396180), (180, 380773), (186, 368490), (213, 321780), (279, 245660), (284, 241335), (310, 221094), (346, 198090), (355, 193068), (372, 184245), (426, 160890), (465, 147396), (519, 132060), (558, 122830), (620, 110547), (639, 107260), (692, 99045), (710, 96534), (852, 80445), (865, 79236), (930, 73698), (1038, 66030), (1065, 64356), (1116, 61415), (1278, 53630), (1395, 49132), (1420, 48267), (1557, 44020), (1730, 39618), (1860, 36849), (2076, 33015), (2130, 32178), (2201, 31140), (2556, 26815), (2595, 26412), (2790, 24566), (3114, 22010), (3195, 21452), (3460, 19809), (4260, 16089), (4402, 15570), (5190, 13206), (5363, 12780), (5580, 12283), (6228, 11005), (6390, 10726), (6603, 10380), (7785, 8804)]