51638160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{4391}}^1$

素因数の和:4421

約数の個数: 120

約数和(自身を含む): 186255936

約数和(自身を除く): 134617776

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, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 4391, 5880, 8782, 11760, 13173, 17564, 21955, 26346, 30737, 35128, 43910, 52692, 61474, 65865, 70256, 87820, 92211, 105384, 122948, 131730, 153685, 175640, 184422, 210768, 215159, 245896, 263460, 307370, 351280, 368844, 430318, 461055, 491792, 526920, 614740, 645477, 737688, 860636, 922110, 1053840, 1075795, 1229480, 1290954, 1475376, 1721272, 1844220, 2151590, 2458960, 2581908, 3227385, 3442544, 3688440, 4303180, 5163816, 6454770, 7376880, 8606360, 10327632, 12909540, 17212720, 25819080, 51638160]

約数ペア:

[(1, 51638160), (2, 25819080), (3, 17212720), (4, 12909540), (5, 10327632), (6, 8606360), (7, 7376880), (8, 6454770), (10, 5163816), (12, 4303180), (14, 3688440), (15, 3442544), (16, 3227385), (20, 2581908), (21, 2458960), (24, 2151590), (28, 1844220), (30, 1721272), (35, 1475376), (40, 1290954), (42, 1229480), (48, 1075795), (49, 1053840), (56, 922110), (60, 860636), (70, 737688), (80, 645477), (84, 614740), (98, 526920), (105, 491792), (112, 461055), (120, 430318), (140, 368844), (147, 351280), (168, 307370), (196, 263460), (210, 245896), (240, 215159), (245, 210768), (280, 184422), (294, 175640), (336, 153685), (392, 131730), (420, 122948), (490, 105384), (560, 92211), (588, 87820), (735, 70256), (784, 65865), (840, 61474), (980, 52692), (1176, 43910), (1470, 35128), (1680, 30737), (1960, 26346), (2352, 21955), (2940, 17564), (3920, 13173), (4391, 11760), (5880, 8782)]