253538460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6491}}^1$

素因数の和:6544

約数の個数: 144

約数和(自身を含む): 907425792

約数和(自身を除く): 653887332

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, 6491, 6510, 7812, 9765, 12982, 13020, 19473, 19530, 25964, 32455, 38946, 39060, 45437, 58419, 64910, 77892, 90874, 97365, 116838, 129820, 136311, 181748, 194730, 201221, 227185, 233676, 272622, 292095, 389460, 402442, 408933, 454370, 545244, 584190, 603663, 681555, 804884, 817866, 908740, 1006105, 1168380, 1207326, 1363110, 1408547, 1635732, 1810989, 2012210, 2044665, 2414652, 2726220, 2817094, 3018315, 3621978, 4024420, 4089330, 4225641, 5634188, 6036630, 7042735, 7243956, 8178660, 8451282, 9054945, 12073260, 12676923, 14085470, 16902564, 18109890, 21128205, 25353846, 28170940, 36219780, 42256410, 50707692, 63384615, 84512820, 126769230, 253538460]

約数ペア:

[(1, 253538460), (2, 126769230), (3, 84512820), (4, 63384615), (5, 50707692), (6, 42256410), (7, 36219780), (9, 28170940), (10, 25353846), (12, 21128205), (14, 18109890), (15, 16902564), (18, 14085470), (20, 12676923), (21, 12073260), (28, 9054945), (30, 8451282), (31, 8178660), (35, 7243956), (36, 7042735), (42, 6036630), (45, 5634188), (60, 4225641), (62, 4089330), (63, 4024420), (70, 3621978), (84, 3018315), (90, 2817094), (93, 2726220), (105, 2414652), (124, 2044665), (126, 2012210), (140, 1810989), (155, 1635732), (180, 1408547), (186, 1363110), (210, 1207326), (217, 1168380), (252, 1006105), (279, 908740), (310, 817866), (315, 804884), (372, 681555), (420, 603663), (434, 584190), (465, 545244), (558, 454370), (620, 408933), (630, 402442), (651, 389460), (868, 292095), (930, 272622), (1085, 233676), (1116, 227185), (1260, 201221), (1302, 194730), (1395, 181748), (1860, 136311), (1953, 129820), (2170, 116838), (2604, 97365), (2790, 90874), (3255, 77892), (3906, 64910), (4340, 58419), (5580, 45437), (6491, 39060), (6510, 38946), (7812, 32455), (9765, 25964), (12982, 19530), (13020, 19473)]