2104190720

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2791}}^1$

素因数の和:2862

約数の個数: 144

約数和(自身を含む): 5478574080

約数和(自身を除く): 3374383360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 248, 256, 304, 310, 320, 380, 496, 589, 608, 620, 640, 760, 992, 1178, 1216, 1240, 1280, 1520, 1984, 2356, 2432, 2480, 2791, 2945, 3040, 3968, 4712, 4864, 4960, 5582, 5890, 6080, 7936, 9424, 9920, 11164, 11780, 12160, 13955, 18848, 19840, 22328, 23560, 24320, 27910, 37696, 39680, 44656, 47120, 53029, 55820, 75392, 86521, 89312, 94240, 106058, 111640, 150784, 173042, 178624, 188480, 212116, 223280, 265145, 346084, 357248, 376960, 424232, 432605, 446560, 530290, 692168, 714496, 753920, 848464, 865210, 893120, 1060580, 1384336, 1643899, 1696928, 1730420, 1786240, 2121160, 2768672, 3287798, 3393856, 3460840, 3572480, 4242320, 5537344, 6575596, 6787712, 6921680, 8219495, 8484640, 11074688, 13151192, 13575424, 13843360, 16438990, 16969280, 22149376, 26302384, 27686720, 32877980, 33938560, 52604768, 55373440, 65755960, 67877120, 105209536, 110746880, 131511920, 210419072, 263023840, 420838144, 526047680, 1052095360, 2104190720]

約数ペア:

[(1, 2104190720), (2, 1052095360), (4, 526047680), (5, 420838144), (8, 263023840), (10, 210419072), (16, 131511920), (19, 110746880), (20, 105209536), (31, 67877120), (32, 65755960), (38, 55373440), (40, 52604768), (62, 33938560), (64, 32877980), (76, 27686720), (80, 26302384), (95, 22149376), (124, 16969280), (128, 16438990), (152, 13843360), (155, 13575424), (160, 13151192), (190, 11074688), (248, 8484640), (256, 8219495), (304, 6921680), (310, 6787712), (320, 6575596), (380, 5537344), (496, 4242320), (589, 3572480), (608, 3460840), (620, 3393856), (640, 3287798), (760, 2768672), (992, 2121160), (1178, 1786240), (1216, 1730420), (1240, 1696928), (1280, 1643899), (1520, 1384336), (1984, 1060580), (2356, 893120), (2432, 865210), (2480, 848464), (2791, 753920), (2945, 714496), (3040, 692168), (3968, 530290), (4712, 446560), (4864, 432605), (4960, 424232), (5582, 376960), (5890, 357248), (6080, 346084), (7936, 265145), (9424, 223280), (9920, 212116), (11164, 188480), (11780, 178624), (12160, 173042), (13955, 150784), (18848, 111640), (19840, 106058), (22328, 94240), (23560, 89312), (24320, 86521), (27910, 75392), (37696, 55820), (39680, 53029), (44656, 47120)]