198770520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2711}}^1$

素因数の和:2785

約数の個数: 128

約数和(自身を含む): 656087040

約数和(自身を除く): 457316520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 47, 52, 60, 65, 78, 94, 104, 120, 130, 141, 156, 188, 195, 235, 260, 282, 312, 376, 390, 470, 520, 564, 611, 705, 780, 940, 1128, 1222, 1410, 1560, 1833, 1880, 2444, 2711, 2820, 3055, 3666, 4888, 5422, 5640, 6110, 7332, 8133, 9165, 10844, 12220, 13555, 14664, 16266, 18330, 21688, 24440, 27110, 32532, 35243, 36660, 40665, 54220, 65064, 70486, 73320, 81330, 105729, 108440, 127417, 140972, 162660, 176215, 211458, 254834, 281944, 325320, 352430, 382251, 422916, 509668, 528645, 637085, 704860, 764502, 845832, 1019336, 1057290, 1274170, 1409720, 1529004, 1656421, 1911255, 2114580, 2548340, 3058008, 3312842, 3822510, 4229160, 4969263, 5096680, 6625684, 7645020, 8282105, 9938526, 13251368, 15290040, 16564210, 19877052, 24846315, 33128420, 39754104, 49692630, 66256840, 99385260, 198770520]

約数ペア:

[(1, 198770520), (2, 99385260), (3, 66256840), (4, 49692630), (5, 39754104), (6, 33128420), (8, 24846315), (10, 19877052), (12, 16564210), (13, 15290040), (15, 13251368), (20, 9938526), (24, 8282105), (26, 7645020), (30, 6625684), (39, 5096680), (40, 4969263), (47, 4229160), (52, 3822510), (60, 3312842), (65, 3058008), (78, 2548340), (94, 2114580), (104, 1911255), (120, 1656421), (130, 1529004), (141, 1409720), (156, 1274170), (188, 1057290), (195, 1019336), (235, 845832), (260, 764502), (282, 704860), (312, 637085), (376, 528645), (390, 509668), (470, 422916), (520, 382251), (564, 352430), (611, 325320), (705, 281944), (780, 254834), (940, 211458), (1128, 176215), (1222, 162660), (1410, 140972), (1560, 127417), (1833, 108440), (1880, 105729), (2444, 81330), (2711, 73320), (2820, 70486), (3055, 65064), (3666, 54220), (4888, 40665), (5422, 36660), (5640, 35243), (6110, 32532), (7332, 27110), (8133, 24440), (9165, 21688), (10844, 18330), (12220, 16266), (13555, 14664)]