9968797720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{2741}}^1$

素因数の和:3209

約数の個数: 128

約数和(自身を含む): 26533785600

約数和(自身を除く): 16564987880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 419, 434, 620, 838, 868, 1085, 1240, 1676, 1736, 2095, 2170, 2741, 2933, 3352, 4190, 4340, 5482, 5866, 8380, 8680, 10964, 11732, 12989, 13705, 14665, 16760, 19187, 21928, 23464, 25978, 27410, 29330, 38374, 51956, 54820, 58660, 64945, 76748, 84971, 90923, 95935, 103912, 109640, 117320, 129890, 153496, 169942, 181846, 191870, 259780, 339884, 363692, 383740, 424855, 454615, 519560, 594797, 679768, 727384, 767480, 849710, 909230, 1148479, 1189594, 1699420, 1818460, 2296958, 2379188, 2973985, 3398840, 3636920, 4593916, 4758376, 5742395, 5947970, 8039353, 9187832, 11484790, 11895940, 16078706, 22969580, 23791880, 32157412, 35602849, 40196765, 45939160, 64314824, 71205698, 80393530, 142411396, 160787060, 178014245, 249219943, 284822792, 321574120, 356028490, 498439886, 712056980, 996879772, 1246099715, 1424113960, 1993759544, 2492199430, 4984398860, 9968797720]

約数ペア:

[(1, 9968797720), (2, 4984398860), (4, 2492199430), (5, 1993759544), (7, 1424113960), (8, 1246099715), (10, 996879772), (14, 712056980), (20, 498439886), (28, 356028490), (31, 321574120), (35, 284822792), (40, 249219943), (56, 178014245), (62, 160787060), (70, 142411396), (124, 80393530), (140, 71205698), (155, 64314824), (217, 45939160), (248, 40196765), (280, 35602849), (310, 32157412), (419, 23791880), (434, 22969580), (620, 16078706), (838, 11895940), (868, 11484790), (1085, 9187832), (1240, 8039353), (1676, 5947970), (1736, 5742395), (2095, 4758376), (2170, 4593916), (2741, 3636920), (2933, 3398840), (3352, 2973985), (4190, 2379188), (4340, 2296958), (5482, 1818460), (5866, 1699420), (8380, 1189594), (8680, 1148479), (10964, 909230), (11732, 849710), (12989, 767480), (13705, 727384), (14665, 679768), (16760, 594797), (19187, 519560), (21928, 454615), (23464, 424855), (25978, 383740), (27410, 363692), (29330, 339884), (38374, 259780), (51956, 191870), (54820, 181846), (58660, 169942), (64945, 153496), (76748, 129890), (84971, 117320), (90923, 109640), (95935, 103912)]