220515152

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3109}}^1$

素因数の和:3172

約数の個数: 80

約数和(自身を含む): 518300160

約数和(自身を除く): 297785008

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 44, 52, 62, 88, 104, 124, 143, 176, 208, 248, 286, 341, 403, 496, 572, 682, 806, 1144, 1364, 1612, 2288, 2728, 3109, 3224, 4433, 5456, 6218, 6448, 8866, 12436, 17732, 24872, 34199, 35464, 40417, 49744, 68398, 70928, 80834, 96379, 136796, 161668, 192758, 273592, 323336, 385516, 444587, 547184, 646672, 771032, 889174, 1060169, 1252927, 1542064, 1778348, 2120338, 2505854, 3556696, 4240676, 5011708, 7113392, 8481352, 10023416, 13782197, 16962704, 20046832, 27564394, 55128788, 110257576, 220515152]

約数ペア:

[(1, 220515152), (2, 110257576), (4, 55128788), (8, 27564394), (11, 20046832), (13, 16962704), (16, 13782197), (22, 10023416), (26, 8481352), (31, 7113392), (44, 5011708), (52, 4240676), (62, 3556696), (88, 2505854), (104, 2120338), (124, 1778348), (143, 1542064), (176, 1252927), (208, 1060169), (248, 889174), (286, 771032), (341, 646672), (403, 547184), (496, 444587), (572, 385516), (682, 323336), (806, 273592), (1144, 192758), (1364, 161668), (1612, 136796), (2288, 96379), (2728, 80834), (3109, 70928), (3224, 68398), (4433, 49744), (5456, 40417), (6218, 35464), (6448, 34199), (8866, 24872), (12436, 17732)]