1331018780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{631}}^1$

素因数の和:740

約数の個数: 192

約数和(自身を含む): 3686430720

約数和(自身を除く): 2355411940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 61, 65, 70, 76, 91, 95, 122, 130, 133, 140, 182, 190, 244, 247, 260, 266, 305, 364, 380, 427, 455, 494, 532, 610, 631, 665, 793, 854, 910, 988, 1159, 1220, 1235, 1262, 1330, 1586, 1708, 1729, 1820, 2135, 2318, 2470, 2524, 2660, 3155, 3172, 3458, 3965, 4270, 4417, 4636, 4940, 5551, 5795, 6310, 6916, 7930, 8113, 8203, 8540, 8645, 8834, 11102, 11590, 11989, 12620, 15067, 15860, 16226, 16406, 17290, 17668, 22085, 22204, 23180, 23978, 27755, 30134, 32452, 32812, 34580, 38491, 40565, 41015, 44170, 47956, 55510, 57421, 59945, 60268, 75335, 76982, 81130, 82030, 83923, 88340, 105469, 111020, 114842, 119890, 150670, 153964, 155857, 162260, 164060, 167846, 192455, 210938, 229684, 239780, 269437, 287105, 301340, 311714, 335692, 384910, 419615, 421876, 500383, 527345, 538874, 574210, 623428, 731329, 769820, 779285, 839230, 1000766, 1054690, 1077748, 1090999, 1148420, 1347185, 1462658, 1558570, 1678460, 2001532, 2109380, 2181998, 2501915, 2694370, 2925316, 3117140, 3502681, 3656645, 4363996, 5003830, 5119303, 5388740, 5454995, 7005362, 7313290, 9507277, 10007660, 10238606, 10909990, 14010724, 14626580, 17513405, 19014554, 20477212, 21819980, 25596515, 35026810, 38029108, 47536385, 51193030, 66550939, 70053620, 95072770, 102386060, 133101878, 190145540, 266203756, 332754695, 665509390, 1331018780]

約数ペア:

[(1, 1331018780), (2, 665509390), (4, 332754695), (5, 266203756), (7, 190145540), (10, 133101878), (13, 102386060), (14, 95072770), (19, 70053620), (20, 66550939), (26, 51193030), (28, 47536385), (35, 38029108), (38, 35026810), (52, 25596515), (61, 21819980), (65, 20477212), (70, 19014554), (76, 17513405), (91, 14626580), (95, 14010724), (122, 10909990), (130, 10238606), (133, 10007660), (140, 9507277), (182, 7313290), (190, 7005362), (244, 5454995), (247, 5388740), (260, 5119303), (266, 5003830), (305, 4363996), (364, 3656645), (380, 3502681), (427, 3117140), (455, 2925316), (494, 2694370), (532, 2501915), (610, 2181998), (631, 2109380), (665, 2001532), (793, 1678460), (854, 1558570), (910, 1462658), (988, 1347185), (1159, 1148420), (1220, 1090999), (1235, 1077748), (1262, 1054690), (1330, 1000766), (1586, 839230), (1708, 779285), (1729, 769820), (1820, 731329), (2135, 623428), (2318, 574210), (2470, 538874), (2524, 527345), (2660, 500383), (3155, 421876), (3172, 419615), (3458, 384910), (3965, 335692), (4270, 311714), (4417, 301340), (4636, 287105), (4940, 269437), (5551, 239780), (5795, 229684), (6310, 210938), (6916, 192455), (7930, 167846), (8113, 164060), (8203, 162260), (8540, 155857), (8645, 153964), (8834, 150670), (11102, 119890), (11590, 114842), (11989, 111020), (12620, 105469), (15067, 88340), (15860, 83923), (16226, 82030), (16406, 81130), (17290, 76982), (17668, 75335), (22085, 60268), (22204, 59945), (23180, 57421), (23978, 55510), (27755, 47956), (30134, 44170), (32452, 41015), (32812, 40565), (34580, 38491)]