480695920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{811}}^1$

素因数の和:1094

約数の個数: 80

約数和(自身を含む): 1159925760

約数和(自身を除く): 679229840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 239, 248, 310, 478, 496, 620, 811, 956, 1195, 1240, 1622, 1912, 2390, 2480, 3244, 3824, 4055, 4780, 6488, 7409, 8110, 9560, 12976, 14818, 16220, 19120, 25141, 29636, 32440, 37045, 50282, 59272, 64880, 74090, 100564, 118544, 125705, 148180, 193829, 201128, 251410, 296360, 387658, 402256, 502820, 592720, 775316, 969145, 1005640, 1550632, 1938290, 2011280, 3101264, 3876580, 6008699, 7753160, 12017398, 15506320, 24034796, 30043495, 48069592, 60086990, 96139184, 120173980, 240347960, 480695920]

約数ペア:

[(1, 480695920), (2, 240347960), (4, 120173980), (5, 96139184), (8, 60086990), (10, 48069592), (16, 30043495), (20, 24034796), (31, 15506320), (40, 12017398), (62, 7753160), (80, 6008699), (124, 3876580), (155, 3101264), (239, 2011280), (248, 1938290), (310, 1550632), (478, 1005640), (496, 969145), (620, 775316), (811, 592720), (956, 502820), (1195, 402256), (1240, 387658), (1622, 296360), (1912, 251410), (2390, 201128), (2480, 193829), (3244, 148180), (3824, 125705), (4055, 118544), (4780, 100564), (6488, 74090), (7409, 64880), (8110, 59272), (9560, 50282), (12976, 37045), (14818, 32440), (16220, 29636), (19120, 25141)]