445420920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{577}}^1\times {\mathrm{919}}^1$

素因数の和:1517

約数の個数: 128

約数和(自身を含む): 1531468800

約数和(自身を除く): 1086047880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 577, 840, 919, 1154, 1731, 1838, 2308, 2757, 2885, 3462, 3676, 4039, 4595, 4616, 5514, 5770, 6433, 6924, 7352, 8078, 8655, 9190, 11028, 11540, 12117, 12866, 13785, 13848, 16156, 17310, 18380, 19299, 20195, 22056, 23080, 24234, 25732, 27570, 32165, 32312, 34620, 36760, 38598, 40390, 48468, 51464, 55140, 60585, 64330, 69240, 77196, 80780, 96495, 96936, 110280, 121170, 128660, 154392, 161560, 192990, 242340, 257320, 385980, 484680, 530263, 771960, 1060526, 1590789, 2121052, 2651315, 3181578, 3711841, 4242104, 5302630, 6363156, 7423682, 7953945, 10605260, 11135523, 12726312, 14847364, 15907890, 18559205, 21210520, 22271046, 29694728, 31815780, 37118410, 44542092, 55677615, 63631560, 74236820, 89084184, 111355230, 148473640, 222710460, 445420920]

約数ペア:

[(1, 445420920), (2, 222710460), (3, 148473640), (4, 111355230), (5, 89084184), (6, 74236820), (7, 63631560), (8, 55677615), (10, 44542092), (12, 37118410), (14, 31815780), (15, 29694728), (20, 22271046), (21, 21210520), (24, 18559205), (28, 15907890), (30, 14847364), (35, 12726312), (40, 11135523), (42, 10605260), (56, 7953945), (60, 7423682), (70, 6363156), (84, 5302630), (105, 4242104), (120, 3711841), (140, 3181578), (168, 2651315), (210, 2121052), (280, 1590789), (420, 1060526), (577, 771960), (840, 530263), (919, 484680), (1154, 385980), (1731, 257320), (1838, 242340), (2308, 192990), (2757, 161560), (2885, 154392), (3462, 128660), (3676, 121170), (4039, 110280), (4595, 96936), (4616, 96495), (5514, 80780), (5770, 77196), (6433, 69240), (6924, 64330), (7352, 60585), (8078, 55140), (8655, 51464), (9190, 48468), (11028, 40390), (11540, 38598), (12117, 36760), (12866, 34620), (13785, 32312), (13848, 32165), (16156, 27570), (17310, 25732), (18380, 24234), (19299, 23080), (20195, 22056)]