618897420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{5449}}^1$

素因数の和:6095

約数の個数: 72

約数和(自身を含む): 1880642400

約数和(自身を除く): 1261744980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 631, 1262, 1893, 2524, 3155, 3786, 5449, 5679, 6310, 7572, 9465, 10898, 11358, 12620, 16347, 18930, 21796, 22716, 27245, 28395, 32694, 37860, 49041, 54490, 56790, 65388, 81735, 98082, 108980, 113580, 163470, 196164, 245205, 326940, 490410, 980820, 3438319, 6876638, 10314957, 13753276, 17191595, 20629914, 30944871, 34383190, 41259828, 51574785, 61889742, 68766380, 103149570, 123779484, 154724355, 206299140, 309448710, 618897420]

約数ペア:

[(1, 618897420), (2, 309448710), (3, 206299140), (4, 154724355), (5, 123779484), (6, 103149570), (9, 68766380), (10, 61889742), (12, 51574785), (15, 41259828), (18, 34383190), (20, 30944871), (30, 20629914), (36, 17191595), (45, 13753276), (60, 10314957), (90, 6876638), (180, 3438319), (631, 980820), (1262, 490410), (1893, 326940), (2524, 245205), (3155, 196164), (3786, 163470), (5449, 113580), (5679, 108980), (6310, 98082), (7572, 81735), (9465, 65388), (10898, 56790), (11358, 54490), (12620, 49041), (16347, 37860), (18930, 32694), (21796, 28395), (22716, 27245)]