245285640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{709}}^1$

素因数の和:788

約数の個数: 144

約数和(自身を含む): 824885100

約数和(自身を除く): 579599460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 709, 744, 930, 961, 1116, 1240, 1395, 1418, 1860, 1922, 2127, 2232, 2790, 2836, 2883, 3545, 3720, 3844, 4254, 4805, 5580, 5672, 5766, 6381, 7090, 7688, 8508, 8649, 9610, 10635, 11160, 11532, 12762, 14180, 14415, 17016, 17298, 19220, 21270, 21979, 23064, 25524, 28360, 28830, 31905, 34596, 38440, 42540, 43245, 43958, 51048, 57660, 63810, 65937, 69192, 85080, 86490, 87916, 109895, 115320, 127620, 131874, 172980, 175832, 197811, 219790, 255240, 263748, 329685, 345960, 395622, 439580, 527496, 659370, 681349, 791244, 879160, 989055, 1318740, 1362698, 1582488, 1978110, 2044047, 2637480, 2725396, 3406745, 3956220, 4088094, 5450792, 6132141, 6813490, 7912440, 8176188, 10220235, 12264282, 13626980, 16352376, 20440470, 24528564, 27253960, 30660705, 40880940, 49057128, 61321410, 81761880, 122642820, 245285640]

約数ペア:

[(1, 245285640), (2, 122642820), (3, 81761880), (4, 61321410), (5, 49057128), (6, 40880940), (8, 30660705), (9, 27253960), (10, 24528564), (12, 20440470), (15, 16352376), (18, 13626980), (20, 12264282), (24, 10220235), (30, 8176188), (31, 7912440), (36, 6813490), (40, 6132141), (45, 5450792), (60, 4088094), (62, 3956220), (72, 3406745), (90, 2725396), (93, 2637480), (120, 2044047), (124, 1978110), (155, 1582488), (180, 1362698), (186, 1318740), (248, 989055), (279, 879160), (310, 791244), (360, 681349), (372, 659370), (465, 527496), (558, 439580), (620, 395622), (709, 345960), (744, 329685), (930, 263748), (961, 255240), (1116, 219790), (1240, 197811), (1395, 175832), (1418, 172980), (1860, 131874), (1922, 127620), (2127, 115320), (2232, 109895), (2790, 87916), (2836, 86490), (2883, 85080), (3545, 69192), (3720, 65937), (3844, 63810), (4254, 57660), (4805, 51048), (5580, 43958), (5672, 43245), (5766, 42540), (6381, 38440), (7090, 34596), (7688, 31905), (8508, 28830), (8649, 28360), (9610, 25524), (10635, 23064), (11160, 21979), (11532, 21270), (12762, 19220), (14180, 17298), (14415, 17016)]