15404940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^2$

素因数の和:160

約数の個数: 108

約数和(自身を含む): 49572432

約数和(自身を除く): 34167492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 61, 69, 90, 92, 115, 122, 138, 180, 183, 207, 230, 244, 276, 305, 345, 366, 414, 460, 549, 610, 690, 732, 828, 915, 1035, 1098, 1220, 1380, 1403, 1830, 2070, 2196, 2745, 2806, 3660, 3721, 4140, 4209, 5490, 5612, 7015, 7442, 8418, 10980, 11163, 12627, 14030, 14884, 16836, 18605, 21045, 22326, 25254, 28060, 33489, 37210, 42090, 44652, 50508, 55815, 63135, 66978, 74420, 84180, 85583, 111630, 126270, 133956, 167445, 171166, 223260, 252540, 256749, 334890, 342332, 427915, 513498, 669780, 770247, 855830, 1026996, 1283745, 1540494, 1711660, 2567490, 3080988, 3851235, 5134980, 7702470, 15404940]

約数ペア:

[(1, 15404940), (2, 7702470), (3, 5134980), (4, 3851235), (5, 3080988), (6, 2567490), (9, 1711660), (10, 1540494), (12, 1283745), (15, 1026996), (18, 855830), (20, 770247), (23, 669780), (30, 513498), (36, 427915), (45, 342332), (46, 334890), (60, 256749), (61, 252540), (69, 223260), (90, 171166), (92, 167445), (115, 133956), (122, 126270), (138, 111630), (180, 85583), (183, 84180), (207, 74420), (230, 66978), (244, 63135), (276, 55815), (305, 50508), (345, 44652), (366, 42090), (414, 37210), (460, 33489), (549, 28060), (610, 25254), (690, 22326), (732, 21045), (828, 18605), (915, 16836), (1035, 14884), (1098, 14030), (1220, 12627), (1380, 11163), (1403, 10980), (1830, 8418), (2070, 7442), (2196, 7015), (2745, 5612), (2806, 5490), (3660, 4209), (3721, 4140)]