123157320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7177}}^1$

素因数の和:7215

約数の個数: 128

約数和(自身を含む): 434125440

約数和(自身を除く): 310968120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 2145, 2860, 3432, 4290, 5720, 7177, 8580, 14354, 17160, 21531, 28708, 35885, 43062, 57416, 71770, 78947, 86124, 93301, 107655, 143540, 157894, 172248, 186602, 215310, 236841, 279903, 287080, 315788, 373204, 394735, 430620, 466505, 473682, 559806, 631576, 746408, 789470, 861240, 933010, 947364, 1026311, 1119612, 1184205, 1399515, 1578940, 1866020, 1894728, 2052622, 2239224, 2368410, 2799030, 3078933, 3157880, 3732040, 4105244, 4736820, 5131555, 5598060, 6157866, 8210488, 9473640, 10263110, 11196120, 12315732, 15394665, 20526220, 24631464, 30789330, 41052440, 61578660, 123157320]

約数ペア:

[(1, 123157320), (2, 61578660), (3, 41052440), (4, 30789330), (5, 24631464), (6, 20526220), (8, 15394665), (10, 12315732), (11, 11196120), (12, 10263110), (13, 9473640), (15, 8210488), (20, 6157866), (22, 5598060), (24, 5131555), (26, 4736820), (30, 4105244), (33, 3732040), (39, 3157880), (40, 3078933), (44, 2799030), (52, 2368410), (55, 2239224), (60, 2052622), (65, 1894728), (66, 1866020), (78, 1578940), (88, 1399515), (104, 1184205), (110, 1119612), (120, 1026311), (130, 947364), (132, 933010), (143, 861240), (156, 789470), (165, 746408), (195, 631576), (220, 559806), (260, 473682), (264, 466505), (286, 430620), (312, 394735), (330, 373204), (390, 315788), (429, 287080), (440, 279903), (520, 236841), (572, 215310), (660, 186602), (715, 172248), (780, 157894), (858, 143540), (1144, 107655), (1320, 93301), (1430, 86124), (1560, 78947), (1716, 71770), (2145, 57416), (2860, 43062), (3432, 35885), (4290, 28708), (5720, 21531), (7177, 17160), (8580, 14354)]