72138120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{443}}^1$

素因数の和:539

約数の個数: 128

約数和(自身を含む): 230169600

約数和(自身を除く): 158031480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 59, 60, 69, 92, 115, 118, 120, 138, 177, 184, 230, 236, 276, 295, 345, 354, 443, 460, 472, 552, 590, 690, 708, 885, 886, 920, 1180, 1329, 1357, 1380, 1416, 1770, 1772, 2215, 2360, 2658, 2714, 2760, 3540, 3544, 4071, 4430, 5316, 5428, 6645, 6785, 7080, 8142, 8860, 10189, 10632, 10856, 13290, 13570, 16284, 17720, 20355, 20378, 26137, 26580, 27140, 30567, 32568, 40710, 40756, 50945, 52274, 53160, 54280, 61134, 78411, 81420, 81512, 101890, 104548, 122268, 130685, 152835, 156822, 162840, 203780, 209096, 244536, 261370, 305670, 313644, 392055, 407560, 522740, 601151, 611340, 627288, 784110, 1045480, 1202302, 1222680, 1568220, 1803453, 2404604, 3005755, 3136440, 3606906, 4809208, 6011510, 7213812, 9017265, 12023020, 14427624, 18034530, 24046040, 36069060, 72138120]

約数ペア:

[(1, 72138120), (2, 36069060), (3, 24046040), (4, 18034530), (5, 14427624), (6, 12023020), (8, 9017265), (10, 7213812), (12, 6011510), (15, 4809208), (20, 3606906), (23, 3136440), (24, 3005755), (30, 2404604), (40, 1803453), (46, 1568220), (59, 1222680), (60, 1202302), (69, 1045480), (92, 784110), (115, 627288), (118, 611340), (120, 601151), (138, 522740), (177, 407560), (184, 392055), (230, 313644), (236, 305670), (276, 261370), (295, 244536), (345, 209096), (354, 203780), (443, 162840), (460, 156822), (472, 152835), (552, 130685), (590, 122268), (690, 104548), (708, 101890), (885, 81512), (886, 81420), (920, 78411), (1180, 61134), (1329, 54280), (1357, 53160), (1380, 52274), (1416, 50945), (1770, 40756), (1772, 40710), (2215, 32568), (2360, 30567), (2658, 27140), (2714, 26580), (2760, 26137), (3540, 20378), (3544, 20355), (4071, 17720), (4430, 16284), (5316, 13570), (5428, 13290), (6645, 10856), (6785, 10632), (7080, 10189), (8142, 8860)]