78545340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1$

素因数の和:452

約数の個数: 144

約数和(自身を含む): 253169280

約数和(自身を除く): 174623940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 41, 45, 58, 60, 82, 87, 90, 116, 123, 145, 164, 174, 180, 205, 246, 261, 290, 348, 367, 369, 410, 435, 492, 522, 580, 615, 734, 738, 820, 870, 1044, 1101, 1189, 1230, 1305, 1468, 1476, 1740, 1835, 1845, 2202, 2378, 2460, 2610, 3303, 3567, 3670, 3690, 4404, 4756, 5220, 5505, 5945, 6606, 7134, 7340, 7380, 10643, 10701, 11010, 11890, 13212, 14268, 15047, 16515, 17835, 21286, 21402, 22020, 23780, 30094, 31929, 33030, 35670, 42572, 42804, 45141, 53215, 53505, 60188, 63858, 66060, 71340, 75235, 90282, 95787, 106430, 107010, 127716, 135423, 150470, 159645, 180564, 191574, 212860, 214020, 225705, 270846, 300940, 319290, 383148, 436363, 451410, 478935, 541692, 638580, 677115, 872726, 902820, 957870, 1309089, 1354230, 1745452, 1915740, 2181815, 2618178, 2708460, 3927267, 4363630, 5236356, 6545445, 7854534, 8727260, 13090890, 15709068, 19636335, 26181780, 39272670, 78545340]

約数ペア:

[(1, 78545340), (2, 39272670), (3, 26181780), (4, 19636335), (5, 15709068), (6, 13090890), (9, 8727260), (10, 7854534), (12, 6545445), (15, 5236356), (18, 4363630), (20, 3927267), (29, 2708460), (30, 2618178), (36, 2181815), (41, 1915740), (45, 1745452), (58, 1354230), (60, 1309089), (82, 957870), (87, 902820), (90, 872726), (116, 677115), (123, 638580), (145, 541692), (164, 478935), (174, 451410), (180, 436363), (205, 383148), (246, 319290), (261, 300940), (290, 270846), (348, 225705), (367, 214020), (369, 212860), (410, 191574), (435, 180564), (492, 159645), (522, 150470), (580, 135423), (615, 127716), (734, 107010), (738, 106430), (820, 95787), (870, 90282), (1044, 75235), (1101, 71340), (1189, 66060), (1230, 63858), (1305, 60188), (1468, 53505), (1476, 53215), (1740, 45141), (1835, 42804), (1845, 42572), (2202, 35670), (2378, 33030), (2460, 31929), (2610, 30094), (3303, 23780), (3567, 22020), (3670, 21402), (3690, 21286), (4404, 17835), (4756, 16515), (5220, 15047), (5505, 14268), (5945, 13212), (6606, 11890), (7134, 11010), (7340, 10701), (7380, 10643)]