11157520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:464

約数の個数: 80

約数和(自身を含む): 29283840

約数和(自身を除く): 18126320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 409, 440, 496, 620, 682, 818, 880, 1240, 1364, 1636, 1705, 2045, 2480, 2728, 3272, 3410, 4090, 4499, 5456, 6544, 6820, 8180, 8998, 12679, 13640, 16360, 17996, 22495, 25358, 27280, 32720, 35992, 44990, 50716, 63395, 71984, 89980, 101432, 126790, 139469, 179960, 202864, 253580, 278938, 359920, 507160, 557876, 697345, 1014320, 1115752, 1394690, 2231504, 2789380, 5578760, 11157520]

約数ペア:

[(1, 11157520), (2, 5578760), (4, 2789380), (5, 2231504), (8, 1394690), (10, 1115752), (11, 1014320), (16, 697345), (20, 557876), (22, 507160), (31, 359920), (40, 278938), (44, 253580), (55, 202864), (62, 179960), (80, 139469), (88, 126790), (110, 101432), (124, 89980), (155, 71984), (176, 63395), (220, 50716), (248, 44990), (310, 35992), (341, 32720), (409, 27280), (440, 25358), (496, 22495), (620, 17996), (682, 16360), (818, 13640), (880, 12679), (1240, 8998), (1364, 8180), (1636, 6820), (1705, 6544), (2045, 5456), (2480, 4499), (2728, 4090), (3272, 3410)]