161191940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2857}}^1$

素因数の和:2917

約数の個数: 96

約数和(自身を含む): 430209024

約数和(自身を除く): 269017084

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 182, 217, 260, 310, 364, 403, 434, 455, 620, 806, 868, 910, 1085, 1612, 1820, 2015, 2170, 2821, 2857, 4030, 4340, 5642, 5714, 8060, 11284, 11428, 14105, 14285, 19999, 28210, 28570, 37141, 39998, 56420, 57140, 74282, 79996, 88567, 99995, 148564, 177134, 185705, 199990, 259987, 354268, 371410, 399980, 442835, 519974, 619969, 742820, 885670, 1039948, 1151371, 1239938, 1299935, 1771340, 2302742, 2479876, 2599870, 3099845, 4605484, 5199740, 5756855, 6199690, 8059597, 11513710, 12399380, 16119194, 23027420, 32238388, 40297985, 80595970, 161191940]

約数ペア:

[(1, 161191940), (2, 80595970), (4, 40297985), (5, 32238388), (7, 23027420), (10, 16119194), (13, 12399380), (14, 11513710), (20, 8059597), (26, 6199690), (28, 5756855), (31, 5199740), (35, 4605484), (52, 3099845), (62, 2599870), (65, 2479876), (70, 2302742), (91, 1771340), (124, 1299935), (130, 1239938), (140, 1151371), (155, 1039948), (182, 885670), (217, 742820), (260, 619969), (310, 519974), (364, 442835), (403, 399980), (434, 371410), (455, 354268), (620, 259987), (806, 199990), (868, 185705), (910, 177134), (1085, 148564), (1612, 99995), (1820, 88567), (2015, 79996), (2170, 74282), (2821, 57140), (2857, 56420), (4030, 39998), (4340, 37141), (5642, 28570), (5714, 28210), (8060, 19999), (11284, 14285), (11428, 14105)]