252679140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6469}}^1$

素因数の和:6522

約数の個数: 144

約数和(自身を含む): 904350720

約数和(自身を除く): 651671580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3255, 3906, 4340, 5580, 6469, 6510, 7812, 9765, 12938, 13020, 19407, 19530, 25876, 32345, 38814, 39060, 45283, 58221, 64690, 77628, 90566, 97035, 116442, 129380, 135849, 181132, 194070, 200539, 226415, 232884, 271698, 291105, 388140, 401078, 407547, 452830, 543396, 582210, 601617, 679245, 802156, 815094, 905660, 1002695, 1164420, 1203234, 1358490, 1403773, 1630188, 1804851, 2005390, 2037735, 2406468, 2716980, 2807546, 3008085, 3609702, 4010780, 4075470, 4211319, 5615092, 6016170, 7018865, 7219404, 8150940, 8422638, 9024255, 12032340, 12633957, 14037730, 16845276, 18048510, 21056595, 25267914, 28075460, 36097020, 42113190, 50535828, 63169785, 84226380, 126339570, 252679140]

約数ペア:

[(1, 252679140), (2, 126339570), (3, 84226380), (4, 63169785), (5, 50535828), (6, 42113190), (7, 36097020), (9, 28075460), (10, 25267914), (12, 21056595), (14, 18048510), (15, 16845276), (18, 14037730), (20, 12633957), (21, 12032340), (28, 9024255), (30, 8422638), (31, 8150940), (35, 7219404), (36, 7018865), (42, 6016170), (45, 5615092), (60, 4211319), (62, 4075470), (63, 4010780), (70, 3609702), (84, 3008085), (90, 2807546), (93, 2716980), (105, 2406468), (124, 2037735), (126, 2005390), (140, 1804851), (155, 1630188), (180, 1403773), (186, 1358490), (210, 1203234), (217, 1164420), (252, 1002695), (279, 905660), (310, 815094), (315, 802156), (372, 679245), (420, 601617), (434, 582210), (465, 543396), (558, 452830), (620, 407547), (630, 401078), (651, 388140), (868, 291105), (930, 271698), (1085, 232884), (1116, 226415), (1260, 200539), (1302, 194070), (1395, 181132), (1860, 135849), (1953, 129380), (2170, 116442), (2604, 97035), (2790, 90566), (3255, 77628), (3906, 64690), (4340, 58221), (5580, 45283), (6469, 39060), (6510, 38814), (7812, 32345), (9765, 25876), (12938, 19530), (13020, 19407)]