16579420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:92

約数の個数: 144

約数和(自身を含む): 45045504

約数和(自身を除く): 28466084

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 26, 31, 34, 44, 52, 55, 62, 65, 68, 85, 110, 121, 124, 130, 143, 155, 170, 187, 220, 221, 242, 260, 286, 310, 340, 341, 374, 403, 442, 484, 527, 572, 605, 620, 682, 715, 748, 806, 884, 935, 1054, 1105, 1210, 1364, 1430, 1573, 1612, 1705, 1870, 2015, 2057, 2108, 2210, 2420, 2431, 2635, 2860, 3146, 3410, 3740, 3751, 4030, 4114, 4420, 4433, 4862, 5270, 5797, 6292, 6820, 6851, 7502, 7865, 8060, 8228, 8866, 9724, 10285, 10540, 11594, 12155, 13702, 15004, 15730, 17732, 18755, 20570, 22165, 23188, 24310, 26741, 27404, 28985, 31460, 34255, 37510, 41140, 44330, 48620, 48763, 53482, 57970, 63767, 68510, 75020, 75361, 88660, 97526, 106964, 115940, 127534, 133705, 137020, 150722, 195052, 243815, 255068, 267410, 301444, 318835, 376805, 487630, 534820, 637670, 753610, 828971, 975260, 1275340, 1507220, 1657942, 3315884, 4144855, 8289710, 16579420]

約数ペア:

[(1, 16579420), (2, 8289710), (4, 4144855), (5, 3315884), (10, 1657942), (11, 1507220), (13, 1275340), (17, 975260), (20, 828971), (22, 753610), (26, 637670), (31, 534820), (34, 487630), (44, 376805), (52, 318835), (55, 301444), (62, 267410), (65, 255068), (68, 243815), (85, 195052), (110, 150722), (121, 137020), (124, 133705), (130, 127534), (143, 115940), (155, 106964), (170, 97526), (187, 88660), (220, 75361), (221, 75020), (242, 68510), (260, 63767), (286, 57970), (310, 53482), (340, 48763), (341, 48620), (374, 44330), (403, 41140), (442, 37510), (484, 34255), (527, 31460), (572, 28985), (605, 27404), (620, 26741), (682, 24310), (715, 23188), (748, 22165), (806, 20570), (884, 18755), (935, 17732), (1054, 15730), (1105, 15004), (1210, 13702), (1364, 12155), (1430, 11594), (1573, 10540), (1612, 10285), (1705, 9724), (1870, 8866), (2015, 8228), (2057, 8060), (2108, 7865), (2210, 7502), (2420, 6851), (2431, 6820), (2635, 6292), (2860, 5797), (3146, 5270), (3410, 4862), (3740, 4433), (3751, 4420), (4030, 4114)]