9915998520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{72043}}^1$

素因数の和:72125

約数の個数: 128

約数和(自身を含む): 31537981440

約数和(自身を除く): 21621982920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 37, 40, 60, 62, 74, 93, 111, 120, 124, 148, 155, 185, 186, 222, 248, 296, 310, 370, 372, 444, 465, 555, 620, 740, 744, 888, 930, 1110, 1147, 1240, 1480, 1860, 2220, 2294, 3441, 3720, 4440, 4588, 5735, 6882, 9176, 11470, 13764, 17205, 22940, 27528, 34410, 45880, 68820, 72043, 137640, 144086, 216129, 288172, 360215, 432258, 576344, 720430, 864516, 1080645, 1440860, 1729032, 2161290, 2233333, 2665591, 2881720, 4322580, 4466666, 5331182, 6699999, 7996773, 8645160, 8933332, 10662364, 11166665, 13327955, 13399998, 15993546, 17866664, 21324728, 22333330, 26655910, 26799996, 31987092, 33499995, 39983865, 44666660, 53311820, 53599992, 63974184, 66999990, 79967730, 82633321, 89333320, 106623640, 133999980, 159935460, 165266642, 247899963, 267999960, 319870920, 330533284, 413166605, 495799926, 661066568, 826333210, 991599852, 1239499815, 1652666420, 1983199704, 2478999630, 3305332840, 4957999260, 9915998520]

約数ペア:

[(1, 9915998520), (2, 4957999260), (3, 3305332840), (4, 2478999630), (5, 1983199704), (6, 1652666420), (8, 1239499815), (10, 991599852), (12, 826333210), (15, 661066568), (20, 495799926), (24, 413166605), (30, 330533284), (31, 319870920), (37, 267999960), (40, 247899963), (60, 165266642), (62, 159935460), (74, 133999980), (93, 106623640), (111, 89333320), (120, 82633321), (124, 79967730), (148, 66999990), (155, 63974184), (185, 53599992), (186, 53311820), (222, 44666660), (248, 39983865), (296, 33499995), (310, 31987092), (370, 26799996), (372, 26655910), (444, 22333330), (465, 21324728), (555, 17866664), (620, 15993546), (740, 13399998), (744, 13327955), (888, 11166665), (930, 10662364), (1110, 8933332), (1147, 8645160), (1240, 7996773), (1480, 6699999), (1860, 5331182), (2220, 4466666), (2294, 4322580), (3441, 2881720), (3720, 2665591), (4440, 2233333), (4588, 2161290), (5735, 1729032), (6882, 1440860), (9176, 1080645), (11470, 864516), (13764, 720430), (17205, 576344), (22940, 432258), (27528, 360215), (34410, 288172), (45880, 216129), (68820, 144086), (72043, 137640)]