72017910

素因数分解:

$2^1\times 3^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:154

約数の個数: 128

約数和(自身を含む): 201916800

約数和(自身を除く): 129898890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 81, 89, 90, 111, 135, 162, 178, 185, 222, 243, 267, 270, 333, 370, 405, 445, 486, 534, 555, 666, 729, 801, 810, 890, 999, 1110, 1215, 1335, 1458, 1602, 1665, 1998, 2187, 2403, 2430, 2670, 2997, 3293, 3330, 3645, 4005, 4374, 4806, 4995, 5994, 6586, 7209, 7290, 8010, 8991, 9879, 9990, 10935, 12015, 14418, 14985, 16465, 17982, 19758, 21627, 21870, 24030, 26973, 29637, 29970, 32930, 36045, 43254, 44955, 49395, 53946, 59274, 64881, 72090, 80919, 88911, 89910, 98790, 108135, 129762, 134865, 148185, 161838, 177822, 194643, 216270, 266733, 269730, 296370, 324405, 389286, 404595, 444555, 533466, 648810, 800199, 809190, 889110, 973215, 1333665, 1600398, 1946430, 2400597, 2667330, 4000995, 4801194, 7201791, 8001990, 12002985, 14403582, 24005970, 36008955, 72017910]

約数ペア:

[(1, 72017910), (2, 36008955), (3, 24005970), (5, 14403582), (6, 12002985), (9, 8001990), (10, 7201791), (15, 4801194), (18, 4000995), (27, 2667330), (30, 2400597), (37, 1946430), (45, 1600398), (54, 1333665), (74, 973215), (81, 889110), (89, 809190), (90, 800199), (111, 648810), (135, 533466), (162, 444555), (178, 404595), (185, 389286), (222, 324405), (243, 296370), (267, 269730), (270, 266733), (333, 216270), (370, 194643), (405, 177822), (445, 161838), (486, 148185), (534, 134865), (555, 129762), (666, 108135), (729, 98790), (801, 89910), (810, 88911), (890, 80919), (999, 72090), (1110, 64881), (1215, 59274), (1335, 53946), (1458, 49395), (1602, 44955), (1665, 43254), (1998, 36045), (2187, 32930), (2403, 29970), (2430, 29637), (2670, 26973), (2997, 24030), (3293, 21870), (3330, 21627), (3645, 19758), (4005, 17982), (4374, 16465), (4806, 14985), (4995, 14418), (5994, 12015), (6586, 10935), (7209, 9990), (7290, 9879), (8010, 8991)]