400126080

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{769}}^1$

素因数の和:1062

約数の個数: 128

約数和(自身を含む): 1281772800

約数和(自身を除く): 881646720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 271, 320, 384, 480, 542, 640, 769, 813, 960, 1084, 1355, 1538, 1626, 1920, 2168, 2307, 2710, 3076, 3252, 3845, 4065, 4336, 4614, 5420, 6152, 6504, 7690, 8130, 8672, 9228, 10840, 11535, 12304, 13008, 15380, 16260, 17344, 18456, 21680, 23070, 24608, 26016, 30760, 32520, 34688, 36912, 43360, 46140, 49216, 52032, 61520, 65040, 73824, 86720, 92280, 98432, 104064, 123040, 130080, 147648, 173440, 184560, 208399, 246080, 260160, 295296, 369120, 416798, 492160, 520320, 625197, 738240, 833596, 1041995, 1250394, 1476480, 1667192, 2083990, 2500788, 3125985, 3334384, 4167980, 5001576, 6251970, 6668768, 8335960, 10003152, 12503940, 13337536, 16671920, 20006304, 25007880, 26675072, 33343840, 40012608, 50015760, 66687680, 80025216, 100031520, 133375360, 200063040, 400126080]

約数ペア:

[(1, 400126080), (2, 200063040), (3, 133375360), (4, 100031520), (5, 80025216), (6, 66687680), (8, 50015760), (10, 40012608), (12, 33343840), (15, 26675072), (16, 25007880), (20, 20006304), (24, 16671920), (30, 13337536), (32, 12503940), (40, 10003152), (48, 8335960), (60, 6668768), (64, 6251970), (80, 5001576), (96, 4167980), (120, 3334384), (128, 3125985), (160, 2500788), (192, 2083990), (240, 1667192), (271, 1476480), (320, 1250394), (384, 1041995), (480, 833596), (542, 738240), (640, 625197), (769, 520320), (813, 492160), (960, 416798), (1084, 369120), (1355, 295296), (1538, 260160), (1626, 246080), (1920, 208399), (2168, 184560), (2307, 173440), (2710, 147648), (3076, 130080), (3252, 123040), (3845, 104064), (4065, 98432), (4336, 92280), (4614, 86720), (5420, 73824), (6152, 65040), (6504, 61520), (7690, 52032), (8130, 49216), (8672, 46140), (9228, 43360), (10840, 36912), (11535, 34688), (12304, 32520), (13008, 30760), (15380, 26016), (16260, 24608), (17344, 23070), (18456, 21680)]