28477020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3319}}^1$

素因数の和:3355

約数の個数: 96

約数和(自身を含む): 93703680

約数和(自身を除く): 65226660

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 195, 220, 260, 286, 330, 390, 429, 572, 660, 715, 780, 858, 1430, 1716, 2145, 2860, 3319, 4290, 6638, 8580, 9957, 13276, 16595, 19914, 33190, 36509, 39828, 43147, 49785, 66380, 73018, 86294, 99570, 109527, 129441, 146036, 172588, 182545, 199140, 215735, 219054, 258882, 365090, 431470, 438108, 474617, 517764, 547635, 647205, 730180, 862940, 949234, 1095270, 1294410, 1423851, 1898468, 2190540, 2373085, 2588820, 2847702, 4746170, 5695404, 7119255, 9492340, 14238510, 28477020]

約数ペア:

[(1, 28477020), (2, 14238510), (3, 9492340), (4, 7119255), (5, 5695404), (6, 4746170), (10, 2847702), (11, 2588820), (12, 2373085), (13, 2190540), (15, 1898468), (20, 1423851), (22, 1294410), (26, 1095270), (30, 949234), (33, 862940), (39, 730180), (44, 647205), (52, 547635), (55, 517764), (60, 474617), (65, 438108), (66, 431470), (78, 365090), (110, 258882), (130, 219054), (132, 215735), (143, 199140), (156, 182545), (165, 172588), (195, 146036), (220, 129441), (260, 109527), (286, 99570), (330, 86294), (390, 73018), (429, 66380), (572, 49785), (660, 43147), (715, 39828), (780, 36509), (858, 33190), (1430, 19914), (1716, 16595), (2145, 13276), (2860, 9957), (3319, 8580), (4290, 6638)]