644185620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4513}}^1$

素因数の和:4602

約数の個数: 144

約数和(自身を含む): 2139310992

約数和(自身を除く): 1495125372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 61, 65, 78, 90, 117, 122, 130, 156, 180, 183, 195, 234, 244, 260, 305, 366, 390, 468, 549, 585, 610, 732, 780, 793, 915, 1098, 1170, 1220, 1586, 1830, 2196, 2340, 2379, 2745, 3172, 3660, 3965, 4513, 4758, 5490, 7137, 7930, 9026, 9516, 10980, 11895, 13539, 14274, 15860, 18052, 22565, 23790, 27078, 28548, 35685, 40617, 45130, 47580, 54156, 58669, 67695, 71370, 81234, 90260, 117338, 135390, 142740, 162468, 176007, 203085, 234676, 270780, 275293, 293345, 352014, 406170, 528021, 550586, 586690, 704028, 812340, 825879, 880035, 1056042, 1101172, 1173380, 1376465, 1651758, 1760070, 2112084, 2477637, 2640105, 2752930, 3303516, 3520140, 3578809, 4129395, 4955274, 5280210, 5505860, 7157618, 8258790, 9910548, 10560420, 10736427, 12388185, 14315236, 16517580, 17894045, 21472854, 24776370, 32209281, 35788090, 42945708, 49552740, 53682135, 64418562, 71576180, 107364270, 128837124, 161046405, 214728540, 322092810, 644185620]

約数ペア:

[(1, 644185620), (2, 322092810), (3, 214728540), (4, 161046405), (5, 128837124), (6, 107364270), (9, 71576180), (10, 64418562), (12, 53682135), (13, 49552740), (15, 42945708), (18, 35788090), (20, 32209281), (26, 24776370), (30, 21472854), (36, 17894045), (39, 16517580), (45, 14315236), (52, 12388185), (60, 10736427), (61, 10560420), (65, 9910548), (78, 8258790), (90, 7157618), (117, 5505860), (122, 5280210), (130, 4955274), (156, 4129395), (180, 3578809), (183, 3520140), (195, 3303516), (234, 2752930), (244, 2640105), (260, 2477637), (305, 2112084), (366, 1760070), (390, 1651758), (468, 1376465), (549, 1173380), (585, 1101172), (610, 1056042), (732, 880035), (780, 825879), (793, 812340), (915, 704028), (1098, 586690), (1170, 550586), (1220, 528021), (1586, 406170), (1830, 352014), (2196, 293345), (2340, 275293), (2379, 270780), (2745, 234676), (3172, 203085), (3660, 176007), (3965, 162468), (4513, 142740), (4758, 135390), (5490, 117338), (7137, 90260), (7930, 81234), (9026, 71370), (9516, 67695), (10980, 58669), (11895, 54156), (13539, 47580), (14274, 45130), (15860, 40617), (18052, 35685), (22565, 28548), (23790, 27078)]