20726883960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{18149}}^1$

素因数の和:18501

約数の個数: 128

約数和(自身を含む): 64399104000

約数和(自身を除く): 43672220040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 307, 310, 372, 465, 614, 620, 744, 921, 930, 1228, 1240, 1535, 1842, 1860, 2456, 3070, 3684, 3720, 4605, 6140, 7368, 9210, 9517, 12280, 18149, 18420, 19034, 28551, 36298, 36840, 38068, 47585, 54447, 57102, 72596, 76136, 90745, 95170, 108894, 114204, 142755, 145192, 181490, 190340, 217788, 228408, 272235, 285510, 362980, 380680, 435576, 544470, 562619, 571020, 725960, 1088940, 1125238, 1142040, 1687857, 2177880, 2250476, 2813095, 3375714, 4500952, 5571743, 5626190, 6751428, 8439285, 11143486, 11252380, 13502856, 16715229, 16878570, 22286972, 22504760, 27858715, 33430458, 33757140, 44573944, 55717430, 66860916, 67514280, 83576145, 111434860, 133721832, 167152290, 172724033, 222869720, 334304580, 345448066, 518172099, 668609160, 690896132, 863620165, 1036344198, 1381792264, 1727240330, 2072688396, 2590860495, 3454480660, 4145376792, 5181720990, 6908961320, 10363441980, 20726883960]

約数ペア:

[(1, 20726883960), (2, 10363441980), (3, 6908961320), (4, 5181720990), (5, 4145376792), (6, 3454480660), (8, 2590860495), (10, 2072688396), (12, 1727240330), (15, 1381792264), (20, 1036344198), (24, 863620165), (30, 690896132), (31, 668609160), (40, 518172099), (60, 345448066), (62, 334304580), (93, 222869720), (120, 172724033), (124, 167152290), (155, 133721832), (186, 111434860), (248, 83576145), (307, 67514280), (310, 66860916), (372, 55717430), (465, 44573944), (614, 33757140), (620, 33430458), (744, 27858715), (921, 22504760), (930, 22286972), (1228, 16878570), (1240, 16715229), (1535, 13502856), (1842, 11252380), (1860, 11143486), (2456, 8439285), (3070, 6751428), (3684, 5626190), (3720, 5571743), (4605, 4500952), (6140, 3375714), (7368, 2813095), (9210, 2250476), (9517, 2177880), (12280, 1687857), (18149, 1142040), (18420, 1125238), (19034, 1088940), (28551, 725960), (36298, 571020), (36840, 562619), (38068, 544470), (47585, 435576), (54447, 380680), (57102, 362980), (72596, 285510), (76136, 272235), (90745, 228408), (95170, 217788), (108894, 190340), (114204, 181490), (142755, 145192)]