123519960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20183}}^1$

素因数の和:20217

約数の個数: 96

約数和(自身を含む): 425075040

約数和(自身を除く): 301555080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 6120, 20183, 40366, 60549, 80732, 100915, 121098, 161464, 181647, 201830, 242196, 302745, 343111, 363294, 403660, 484392, 605490, 686222, 726588, 807320, 908235, 1029333, 1210980, 1372444, 1453176, 1715555, 1816470, 2058666, 2421960, 2744888, 3087999, 3431110, 3632940, 4117332, 5146665, 6175998, 6862220, 7265880, 8234664, 10293330, 12351996, 13724440, 15439995, 20586660, 24703992, 30879990, 41173320, 61759980, 123519960]

約数ペア:

[(1, 123519960), (2, 61759980), (3, 41173320), (4, 30879990), (5, 24703992), (6, 20586660), (8, 15439995), (9, 13724440), (10, 12351996), (12, 10293330), (15, 8234664), (17, 7265880), (18, 6862220), (20, 6175998), (24, 5146665), (30, 4117332), (34, 3632940), (36, 3431110), (40, 3087999), (45, 2744888), (51, 2421960), (60, 2058666), (68, 1816470), (72, 1715555), (85, 1453176), (90, 1372444), (102, 1210980), (120, 1029333), (136, 908235), (153, 807320), (170, 726588), (180, 686222), (204, 605490), (255, 484392), (306, 403660), (340, 363294), (360, 343111), (408, 302745), (510, 242196), (612, 201830), (680, 181647), (765, 161464), (1020, 121098), (1224, 100915), (1530, 80732), (2040, 60549), (3060, 40366), (6120, 20183)]