15669680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:119

約数の個数: 120

約数和(自身を含む): 42207120

約数和(自身を除く): 26537440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 61, 65, 76, 80, 95, 104, 122, 130, 152, 169, 190, 208, 244, 247, 260, 304, 305, 338, 380, 488, 494, 520, 610, 676, 760, 793, 845, 976, 988, 1040, 1159, 1220, 1235, 1352, 1520, 1586, 1690, 1976, 2318, 2440, 2470, 2704, 3172, 3211, 3380, 3952, 3965, 4636, 4880, 4940, 5795, 6344, 6422, 6760, 7930, 9272, 9880, 10309, 11590, 12688, 12844, 13520, 15067, 15860, 16055, 18544, 19760, 20618, 23180, 25688, 30134, 31720, 32110, 41236, 46360, 51376, 51545, 60268, 63440, 64220, 75335, 82472, 92720, 103090, 120536, 128440, 150670, 164944, 195871, 206180, 241072, 256880, 301340, 391742, 412360, 602680, 783484, 824720, 979355, 1205360, 1566968, 1958710, 3133936, 3917420, 7834840, 15669680]

約数ペア:

[(1, 15669680), (2, 7834840), (4, 3917420), (5, 3133936), (8, 1958710), (10, 1566968), (13, 1205360), (16, 979355), (19, 824720), (20, 783484), (26, 602680), (38, 412360), (40, 391742), (52, 301340), (61, 256880), (65, 241072), (76, 206180), (80, 195871), (95, 164944), (104, 150670), (122, 128440), (130, 120536), (152, 103090), (169, 92720), (190, 82472), (208, 75335), (244, 64220), (247, 63440), (260, 60268), (304, 51545), (305, 51376), (338, 46360), (380, 41236), (488, 32110), (494, 31720), (520, 30134), (610, 25688), (676, 23180), (760, 20618), (793, 19760), (845, 18544), (976, 16055), (988, 15860), (1040, 15067), (1159, 13520), (1220, 12844), (1235, 12688), (1352, 11590), (1520, 10309), (1586, 9880), (1690, 9272), (1976, 7930), (2318, 6760), (2440, 6422), (2470, 6344), (2704, 5795), (3172, 4940), (3211, 4880), (3380, 4636), (3952, 3965)]