31290480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3343}}^1$

素因数の和:3375

約数の個数: 120

約数和(自身を含む): 113201088

約数和(自身を除く): 81910608

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 3343, 4680, 6686, 9360, 10029, 13372, 16715, 20058, 26744, 30087, 33430, 40116, 43459, 50145, 53488, 60174, 66860, 80232, 86918, 100290, 120348, 130377, 133720, 150435, 160464, 173836, 200580, 217295, 240696, 260754, 267440, 300870, 347672, 391131, 401160, 434590, 481392, 521508, 601740, 651885, 695344, 782262, 802320, 869180, 1043016, 1203480, 1303770, 1564524, 1738360, 1955655, 2086032, 2406960, 2607540, 3129048, 3476720, 3911310, 5215080, 6258096, 7822620, 10430160, 15645240, 31290480]

約数ペア:

[(1, 31290480), (2, 15645240), (3, 10430160), (4, 7822620), (5, 6258096), (6, 5215080), (8, 3911310), (9, 3476720), (10, 3129048), (12, 2607540), (13, 2406960), (15, 2086032), (16, 1955655), (18, 1738360), (20, 1564524), (24, 1303770), (26, 1203480), (30, 1043016), (36, 869180), (39, 802320), (40, 782262), (45, 695344), (48, 651885), (52, 601740), (60, 521508), (65, 481392), (72, 434590), (78, 401160), (80, 391131), (90, 347672), (104, 300870), (117, 267440), (120, 260754), (130, 240696), (144, 217295), (156, 200580), (180, 173836), (195, 160464), (208, 150435), (234, 133720), (240, 130377), (260, 120348), (312, 100290), (360, 86918), (390, 80232), (468, 66860), (520, 60174), (585, 53488), (624, 50145), (720, 43459), (780, 40116), (936, 33430), (1040, 30087), (1170, 26744), (1560, 20058), (1872, 16715), (2340, 13372), (3120, 10029), (3343, 9360), (4680, 6686)]