771148880

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{821}}^1$

素因数の和:1092

約数の個数: 80

約数和(自身を含む): 1834704000

約数和(自身を除く): 1063555120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 199, 236, 295, 398, 472, 590, 796, 821, 944, 995, 1180, 1592, 1642, 1990, 2360, 3184, 3284, 3980, 4105, 4720, 6568, 7960, 8210, 11741, 13136, 15920, 16420, 23482, 32840, 46964, 48439, 58705, 65680, 93928, 96878, 117410, 163379, 187856, 193756, 234820, 242195, 326758, 387512, 469640, 484390, 653516, 775024, 816895, 939280, 968780, 1307032, 1633790, 1937560, 2614064, 3267580, 3875120, 6535160, 9639361, 13070320, 19278722, 38557444, 48196805, 77114888, 96393610, 154229776, 192787220, 385574440, 771148880]

約数ペア:

[(1, 771148880), (2, 385574440), (4, 192787220), (5, 154229776), (8, 96393610), (10, 77114888), (16, 48196805), (20, 38557444), (40, 19278722), (59, 13070320), (80, 9639361), (118, 6535160), (199, 3875120), (236, 3267580), (295, 2614064), (398, 1937560), (472, 1633790), (590, 1307032), (796, 968780), (821, 939280), (944, 816895), (995, 775024), (1180, 653516), (1592, 484390), (1642, 469640), (1990, 387512), (2360, 326758), (3184, 242195), (3284, 234820), (3980, 193756), (4105, 187856), (4720, 163379), (6568, 117410), (7960, 96878), (8210, 93928), (11741, 65680), (13136, 58705), (15920, 48439), (16420, 46964), (23482, 32840)]