1609520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:114

約数の個数: 80

約数和(自身を含む): 4285440

約数和(自身を除く): 2675920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 59, 62, 80, 88, 110, 118, 124, 155, 176, 220, 236, 248, 295, 310, 341, 440, 472, 496, 590, 620, 649, 682, 880, 944, 1180, 1240, 1298, 1364, 1705, 1829, 2360, 2480, 2596, 2728, 3245, 3410, 3658, 4720, 5192, 5456, 6490, 6820, 7316, 9145, 10384, 12980, 13640, 14632, 18290, 20119, 25960, 27280, 29264, 36580, 40238, 51920, 73160, 80476, 100595, 146320, 160952, 201190, 321904, 402380, 804760, 1609520]

約数ペア:

[(1, 1609520), (2, 804760), (4, 402380), (5, 321904), (8, 201190), (10, 160952), (11, 146320), (16, 100595), (20, 80476), (22, 73160), (31, 51920), (40, 40238), (44, 36580), (55, 29264), (59, 27280), (62, 25960), (80, 20119), (88, 18290), (110, 14632), (118, 13640), (124, 12980), (155, 10384), (176, 9145), (220, 7316), (236, 6820), (248, 6490), (295, 5456), (310, 5192), (341, 4720), (440, 3658), (472, 3410), (496, 3245), (590, 2728), (620, 2596), (649, 2480), (682, 2360), (880, 1829), (944, 1705), (1180, 1364), (1240, 1298)]