720047880

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{8231}}^1$

素因数の和:8263

約数の個数: 128

約数和(自身を含む): 2430086400

約数和(自身を除く): 1710038520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 729, 810, 972, 1080, 1215, 1458, 1620, 1944, 2187, 2430, 2916, 3240, 3645, 4374, 4860, 5832, 7290, 8231, 8748, 9720, 10935, 14580, 16462, 17496, 21870, 24693, 29160, 32924, 41155, 43740, 49386, 65848, 74079, 82310, 87480, 98772, 123465, 148158, 164620, 197544, 222237, 246930, 296316, 329240, 370395, 444474, 493860, 592632, 666711, 740790, 888948, 987720, 1111185, 1333422, 1481580, 1777896, 2000133, 2222370, 2666844, 2963160, 3333555, 4000266, 4444740, 5333688, 6000399, 6667110, 8000532, 8889480, 10000665, 12000798, 13334220, 16001064, 18001197, 20001330, 24001596, 26668440, 30001995, 36002394, 40002660, 48003192, 60003990, 72004788, 80005320, 90005985, 120007980, 144009576, 180011970, 240015960, 360023940, 720047880]

約数ペア:

[(1, 720047880), (2, 360023940), (3, 240015960), (4, 180011970), (5, 144009576), (6, 120007980), (8, 90005985), (9, 80005320), (10, 72004788), (12, 60003990), (15, 48003192), (18, 40002660), (20, 36002394), (24, 30001995), (27, 26668440), (30, 24001596), (36, 20001330), (40, 18001197), (45, 16001064), (54, 13334220), (60, 12000798), (72, 10000665), (81, 8889480), (90, 8000532), (108, 6667110), (120, 6000399), (135, 5333688), (162, 4444740), (180, 4000266), (216, 3333555), (243, 2963160), (270, 2666844), (324, 2222370), (360, 2000133), (405, 1777896), (486, 1481580), (540, 1333422), (648, 1111185), (729, 987720), (810, 888948), (972, 740790), (1080, 666711), (1215, 592632), (1458, 493860), (1620, 444474), (1944, 370395), (2187, 329240), (2430, 296316), (2916, 246930), (3240, 222237), (3645, 197544), (4374, 164620), (4860, 148158), (5832, 123465), (7290, 98772), (8231, 87480), (8748, 82310), (9720, 74079), (10935, 65848), (14580, 49386), (16462, 43740), (17496, 41155), (21870, 32924), (24693, 29160)]