645999120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5309}}^1$

素因数の和:5354

約数の個数: 180

約数和(自身を含む): 2349643140

約数和(自身を除く): 1703644020

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 169, 180, 195, 208, 234, 240, 260, 312, 338, 360, 390, 468, 507, 520, 585, 624, 676, 720, 780, 845, 936, 1014, 1040, 1170, 1352, 1521, 1560, 1690, 1872, 2028, 2340, 2535, 2704, 3042, 3120, 3380, 4056, 4680, 5070, 5309, 6084, 6760, 7605, 8112, 9360, 10140, 10618, 12168, 13520, 15210, 15927, 20280, 21236, 24336, 26545, 30420, 31854, 40560, 42472, 47781, 53090, 60840, 63708, 69017, 79635, 84944, 95562, 106180, 121680, 127416, 138034, 159270, 191124, 207051, 212360, 238905, 254832, 276068, 318540, 345085, 382248, 414102, 424720, 477810, 552136, 621153, 637080, 690170, 764496, 828204, 897221, 955620, 1035255, 1104272, 1242306, 1274160, 1380340, 1656408, 1794442, 1911240, 2070510, 2484612, 2691663, 2760680, 3105765, 3312816, 3588884, 3822480, 4141020, 4486105, 4969224, 5383326, 5521360, 6211530, 7177768, 8074989, 8282040, 8972210, 9938448, 10766652, 12423060, 13458315, 14355536, 16149978, 16564080, 17944420, 21533304, 24846120, 26916630, 32299956, 35888840, 40374945, 43066608, 49692240, 53833260, 64599912, 71777680, 80749890, 107666520, 129199824, 161499780, 215333040, 322999560, 645999120]

約数ペア:

[(1, 645999120), (2, 322999560), (3, 215333040), (4, 161499780), (5, 129199824), (6, 107666520), (8, 80749890), (9, 71777680), (10, 64599912), (12, 53833260), (13, 49692240), (15, 43066608), (16, 40374945), (18, 35888840), (20, 32299956), (24, 26916630), (26, 24846120), (30, 21533304), (36, 17944420), (39, 16564080), (40, 16149978), (45, 14355536), (48, 13458315), (52, 12423060), (60, 10766652), (65, 9938448), (72, 8972210), (78, 8282040), (80, 8074989), (90, 7177768), (104, 6211530), (117, 5521360), (120, 5383326), (130, 4969224), (144, 4486105), (156, 4141020), (169, 3822480), (180, 3588884), (195, 3312816), (208, 3105765), (234, 2760680), (240, 2691663), (260, 2484612), (312, 2070510), (338, 1911240), (360, 1794442), (390, 1656408), (468, 1380340), (507, 1274160), (520, 1242306), (585, 1104272), (624, 1035255), (676, 955620), (720, 897221), (780, 828204), (845, 764496), (936, 690170), (1014, 637080), (1040, 621153), (1170, 552136), (1352, 477810), (1521, 424720), (1560, 414102), (1690, 382248), (1872, 345085), (2028, 318540), (2340, 276068), (2535, 254832), (2704, 238905), (3042, 212360), (3120, 207051), (3380, 191124), (4056, 159270), (4680, 138034), (5070, 127416), (5309, 121680), (6084, 106180), (6760, 95562), (7605, 84944), (8112, 79635), (9360, 69017), (10140, 63708), (10618, 60840), (12168, 53090), (13520, 47781), (15210, 42472), (15927, 40560), (20280, 31854), (21236, 30420), (24336, 26545)]