123803240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:351

約数の個数: 128

約数和(自身を含む): 326592000

約数和(自身を除く): 202788760

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 59, 76, 88, 95, 110, 118, 152, 190, 209, 220, 236, 251, 295, 380, 418, 440, 472, 502, 590, 649, 760, 836, 1004, 1045, 1121, 1180, 1255, 1298, 1672, 2008, 2090, 2242, 2360, 2510, 2596, 2761, 3245, 4180, 4484, 4769, 5020, 5192, 5522, 5605, 6490, 8360, 8968, 9538, 10040, 11044, 11210, 12331, 12980, 13805, 14809, 19076, 22088, 22420, 23845, 24662, 25960, 27610, 29618, 38152, 44840, 47690, 49324, 52459, 55220, 59236, 61655, 74045, 95380, 98648, 104918, 110440, 118472, 123310, 148090, 162899, 190760, 209836, 246620, 262295, 281371, 296180, 325798, 419672, 493240, 524590, 562742, 592360, 651596, 814495, 1049180, 1125484, 1303192, 1406855, 1628990, 2098360, 2250968, 2813710, 3095081, 3257980, 5627420, 6190162, 6515960, 11254840, 12380324, 15475405, 24760648, 30950810, 61901620, 123803240]

約数ペア:

[(1, 123803240), (2, 61901620), (4, 30950810), (5, 24760648), (8, 15475405), (10, 12380324), (11, 11254840), (19, 6515960), (20, 6190162), (22, 5627420), (38, 3257980), (40, 3095081), (44, 2813710), (55, 2250968), (59, 2098360), (76, 1628990), (88, 1406855), (95, 1303192), (110, 1125484), (118, 1049180), (152, 814495), (190, 651596), (209, 592360), (220, 562742), (236, 524590), (251, 493240), (295, 419672), (380, 325798), (418, 296180), (440, 281371), (472, 262295), (502, 246620), (590, 209836), (649, 190760), (760, 162899), (836, 148090), (1004, 123310), (1045, 118472), (1121, 110440), (1180, 104918), (1255, 98648), (1298, 95380), (1672, 74045), (2008, 61655), (2090, 59236), (2242, 55220), (2360, 52459), (2510, 49324), (2596, 47690), (2761, 44840), (3245, 38152), (4180, 29618), (4484, 27610), (4769, 25960), (5020, 24662), (5192, 23845), (5522, 22420), (5605, 22088), (6490, 19076), (8360, 14809), (8968, 13805), (9538, 12980), (10040, 12331), (11044, 11210)]