40239240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:447

約数の個数: 128

約数和(自身を含む): 129254400

約数和(自身を除く): 89015160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 31, 40, 58, 60, 62, 87, 93, 116, 120, 124, 145, 155, 174, 186, 232, 248, 290, 310, 348, 372, 373, 435, 465, 580, 620, 696, 744, 746, 870, 899, 930, 1119, 1160, 1240, 1492, 1740, 1798, 1860, 1865, 2238, 2697, 2984, 3480, 3596, 3720, 3730, 4476, 4495, 5394, 5595, 7192, 7460, 8952, 8990, 10788, 10817, 11190, 11563, 13485, 14920, 17980, 21576, 21634, 22380, 23126, 26970, 32451, 34689, 35960, 43268, 44760, 46252, 53940, 54085, 57815, 64902, 69378, 86536, 92504, 107880, 108170, 115630, 129804, 138756, 162255, 173445, 216340, 231260, 259608, 277512, 324510, 335327, 346890, 432680, 462520, 649020, 670654, 693780, 1005981, 1298040, 1341308, 1387560, 1676635, 2011962, 2682616, 3353270, 4023924, 5029905, 6706540, 8047848, 10059810, 13413080, 20119620, 40239240]

約数ペア:

[(1, 40239240), (2, 20119620), (3, 13413080), (4, 10059810), (5, 8047848), (6, 6706540), (8, 5029905), (10, 4023924), (12, 3353270), (15, 2682616), (20, 2011962), (24, 1676635), (29, 1387560), (30, 1341308), (31, 1298040), (40, 1005981), (58, 693780), (60, 670654), (62, 649020), (87, 462520), (93, 432680), (116, 346890), (120, 335327), (124, 324510), (145, 277512), (155, 259608), (174, 231260), (186, 216340), (232, 173445), (248, 162255), (290, 138756), (310, 129804), (348, 115630), (372, 108170), (373, 107880), (435, 92504), (465, 86536), (580, 69378), (620, 64902), (696, 57815), (744, 54085), (746, 53940), (870, 46252), (899, 44760), (930, 43268), (1119, 35960), (1160, 34689), (1240, 32451), (1492, 26970), (1740, 23126), (1798, 22380), (1860, 21634), (1865, 21576), (2238, 17980), (2697, 14920), (2984, 13485), (3480, 11563), (3596, 11190), (3720, 10817), (3730, 10788), (4476, 8990), (4495, 8952), (5394, 7460), (5595, 7192)]