251769840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:380

約数の個数: 240

約数和(自身を含む): 922798080

約数和(自身を除く): 671028240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 79, 80, 84, 98, 105, 112, 120, 140, 147, 158, 168, 196, 210, 237, 240, 245, 271, 280, 294, 316, 336, 392, 395, 420, 474, 490, 542, 553, 560, 588, 632, 735, 784, 790, 813, 840, 948, 980, 1084, 1106, 1176, 1185, 1264, 1355, 1470, 1580, 1626, 1659, 1680, 1896, 1897, 1960, 2168, 2212, 2352, 2370, 2710, 2765, 2940, 3160, 3252, 3318, 3792, 3794, 3871, 3920, 4065, 4336, 4424, 4740, 5420, 5530, 5691, 5880, 6320, 6504, 6636, 7588, 7742, 8130, 8295, 8848, 9480, 9485, 10840, 11060, 11382, 11613, 11760, 13008, 13272, 13279, 15176, 15484, 16260, 16590, 18960, 18970, 19355, 21409, 21680, 22120, 22764, 23226, 26544, 26558, 28455, 30352, 30968, 32520, 33180, 37940, 38710, 39837, 42818, 44240, 45528, 46452, 53116, 56910, 58065, 61936, 64227, 65040, 66360, 66395, 75880, 77420, 79674, 85636, 91056, 92904, 106232, 107045, 113820, 116130, 128454, 132720, 132790, 149863, 151760, 154840, 159348, 171272, 185808, 199185, 212464, 214090, 227640, 232260, 256908, 265580, 299726, 309680, 318696, 321135, 342544, 398370, 428180, 449589, 455280, 464520, 513816, 531160, 599452, 637392, 642270, 749315, 796740, 856360, 899178, 929040, 1027632, 1049041, 1062320, 1198904, 1284540, 1498630, 1593480, 1712720, 1798356, 2098082, 2247945, 2397808, 2569080, 2997260, 3147123, 3186960, 3596712, 4196164, 4495890, 5138160, 5245205, 5994520, 6294246, 7193424, 8392328, 8991780, 10490410, 11989040, 12588492, 15735615, 16784656, 17983560, 20980820, 25176984, 31471230, 35967120, 41961640, 50353968, 62942460, 83923280, 125884920, 251769840]

約数ペア:

[(1, 251769840), (2, 125884920), (3, 83923280), (4, 62942460), (5, 50353968), (6, 41961640), (7, 35967120), (8, 31471230), (10, 25176984), (12, 20980820), (14, 17983560), (15, 16784656), (16, 15735615), (20, 12588492), (21, 11989040), (24, 10490410), (28, 8991780), (30, 8392328), (35, 7193424), (40, 6294246), (42, 5994520), (48, 5245205), (49, 5138160), (56, 4495890), (60, 4196164), (70, 3596712), (79, 3186960), (80, 3147123), (84, 2997260), (98, 2569080), (105, 2397808), (112, 2247945), (120, 2098082), (140, 1798356), (147, 1712720), (158, 1593480), (168, 1498630), (196, 1284540), (210, 1198904), (237, 1062320), (240, 1049041), (245, 1027632), (271, 929040), (280, 899178), (294, 856360), (316, 796740), (336, 749315), (392, 642270), (395, 637392), (420, 599452), (474, 531160), (490, 513816), (542, 464520), (553, 455280), (560, 449589), (588, 428180), (632, 398370), (735, 342544), (784, 321135), (790, 318696), (813, 309680), (840, 299726), (948, 265580), (980, 256908), (1084, 232260), (1106, 227640), (1176, 214090), (1185, 212464), (1264, 199185), (1355, 185808), (1470, 171272), (1580, 159348), (1626, 154840), (1659, 151760), (1680, 149863), (1896, 132790), (1897, 132720), (1960, 128454), (2168, 116130), (2212, 113820), (2352, 107045), (2370, 106232), (2710, 92904), (2765, 91056), (2940, 85636), (3160, 79674), (3252, 77420), (3318, 75880), (3792, 66395), (3794, 66360), (3871, 65040), (3920, 64227), (4065, 61936), (4336, 58065), (4424, 56910), (4740, 53116), (5420, 46452), (5530, 45528), (5691, 44240), (5880, 42818), (6320, 39837), (6504, 38710), (6636, 37940), (7588, 33180), (7742, 32520), (8130, 30968), (8295, 30352), (8848, 28455), (9480, 26558), (9485, 26544), (10840, 23226), (11060, 22764), (11382, 22120), (11613, 21680), (11760, 21409), (13008, 19355), (13272, 18970), (13279, 18960), (15176, 16590), (15484, 16260)]