266375560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{331}}^1$

素因数の和:443

約数の個数: 128

約数和(自身を含む): 688435200

約数和(自身を除く): 422059640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 59, 62, 88, 110, 118, 124, 155, 220, 236, 248, 295, 310, 331, 341, 440, 472, 590, 620, 649, 662, 682, 1180, 1240, 1298, 1324, 1364, 1655, 1705, 1829, 2360, 2596, 2648, 2728, 3245, 3310, 3410, 3641, 3658, 5192, 6490, 6620, 6820, 7282, 7316, 9145, 10261, 12980, 13240, 13640, 14564, 14632, 18205, 18290, 19529, 20119, 20522, 25960, 29128, 36410, 36580, 39058, 40238, 41044, 51305, 72820, 73160, 78116, 80476, 82088, 97645, 100595, 102610, 112871, 145640, 156232, 160952, 195290, 201190, 205220, 214819, 225742, 390580, 402380, 410440, 429638, 451484, 564355, 605399, 781160, 804760, 859276, 902968, 1074095, 1128710, 1210798, 1718552, 2148190, 2257420, 2421596, 3026995, 4296380, 4514840, 4843192, 6053990, 6659389, 8592760, 12107980, 13318778, 24215960, 26637556, 33296945, 53275112, 66593890, 133187780, 266375560]

約数ペア:

[(1, 266375560), (2, 133187780), (4, 66593890), (5, 53275112), (8, 33296945), (10, 26637556), (11, 24215960), (20, 13318778), (22, 12107980), (31, 8592760), (40, 6659389), (44, 6053990), (55, 4843192), (59, 4514840), (62, 4296380), (88, 3026995), (110, 2421596), (118, 2257420), (124, 2148190), (155, 1718552), (220, 1210798), (236, 1128710), (248, 1074095), (295, 902968), (310, 859276), (331, 804760), (341, 781160), (440, 605399), (472, 564355), (590, 451484), (620, 429638), (649, 410440), (662, 402380), (682, 390580), (1180, 225742), (1240, 214819), (1298, 205220), (1324, 201190), (1364, 195290), (1655, 160952), (1705, 156232), (1829, 145640), (2360, 112871), (2596, 102610), (2648, 100595), (2728, 97645), (3245, 82088), (3310, 80476), (3410, 78116), (3641, 73160), (3658, 72820), (5192, 51305), (6490, 41044), (6620, 40238), (6820, 39058), (7282, 36580), (7316, 36410), (9145, 29128), (10261, 25960), (12980, 20522), (13240, 20119), (13640, 19529), (14564, 18290), (14632, 18205)]