991328040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{144931}}^1$

素因数の和:144967

約数の個数: 96

約数和(自身を含む): 3391408800

約数和(自身を除く): 2400080760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840, 144931, 289862, 434793, 579724, 724655, 869586, 1159448, 1304379, 1449310, 1739172, 2173965, 2608758, 2753689, 2898620, 3478344, 4347930, 5217516, 5507378, 5797240, 6521895, 8261067, 8695860, 10435032, 11014756, 13043790, 13768445, 16522134, 17391720, 22029512, 24783201, 26087580, 27536890, 33044268, 41305335, 49566402, 52175160, 55073780, 66088536, 82610670, 99132804, 110147560, 123916005, 165221340, 198265608, 247832010, 330442680, 495664020, 991328040]

約数ペア:

[(1, 991328040), (2, 495664020), (3, 330442680), (4, 247832010), (5, 198265608), (6, 165221340), (8, 123916005), (9, 110147560), (10, 99132804), (12, 82610670), (15, 66088536), (18, 55073780), (19, 52175160), (20, 49566402), (24, 41305335), (30, 33044268), (36, 27536890), (38, 26087580), (40, 24783201), (45, 22029512), (57, 17391720), (60, 16522134), (72, 13768445), (76, 13043790), (90, 11014756), (95, 10435032), (114, 8695860), (120, 8261067), (152, 6521895), (171, 5797240), (180, 5507378), (190, 5217516), (228, 4347930), (285, 3478344), (342, 2898620), (360, 2753689), (380, 2608758), (456, 2173965), (570, 1739172), (684, 1449310), (760, 1304379), (855, 1159448), (1140, 869586), (1368, 724655), (1710, 579724), (2280, 434793), (3420, 289862), (6840, 144931)]