449613720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21911}}^1$

素因数の和:21950

約数の個数: 128

約数和(自身を含む): 1577664000

約数和(自身を除く): 1128050280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 20520, 21911, 43822, 65733, 87644, 109555, 131466, 175288, 197199, 219110, 262932, 328665, 394398, 416309, 438220, 525864, 591597, 657330, 788796, 832618, 876440, 985995, 1183194, 1248927, 1314660, 1577592, 1665236, 1971990, 2081545, 2366388, 2497854, 2629320, 2957985, 3330472, 3746781, 3943980, 4163090, 4732776, 4995708, 5915970, 6244635, 7493562, 7887960, 8326180, 9991416, 11240343, 11831940, 12489270, 14987124, 16652360, 18733905, 22480686, 23663880, 24978540, 29974248, 37467810, 44961372, 49957080, 56201715, 74935620, 89922744, 112403430, 149871240, 224806860, 449613720]

約数ペア:

[(1, 449613720), (2, 224806860), (3, 149871240), (4, 112403430), (5, 89922744), (6, 74935620), (8, 56201715), (9, 49957080), (10, 44961372), (12, 37467810), (15, 29974248), (18, 24978540), (19, 23663880), (20, 22480686), (24, 18733905), (27, 16652360), (30, 14987124), (36, 12489270), (38, 11831940), (40, 11240343), (45, 9991416), (54, 8326180), (57, 7887960), (60, 7493562), (72, 6244635), (76, 5915970), (90, 4995708), (95, 4732776), (108, 4163090), (114, 3943980), (120, 3746781), (135, 3330472), (152, 2957985), (171, 2629320), (180, 2497854), (190, 2366388), (216, 2081545), (228, 1971990), (270, 1665236), (285, 1577592), (342, 1314660), (360, 1248927), (380, 1183194), (456, 985995), (513, 876440), (540, 832618), (570, 788796), (684, 657330), (760, 591597), (855, 525864), (1026, 438220), (1080, 416309), (1140, 394398), (1368, 328665), (1710, 262932), (2052, 219110), (2280, 197199), (2565, 175288), (3420, 131466), (4104, 109555), (5130, 87644), (6840, 65733), (10260, 43822), (20520, 21911)]