12345960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 41472000

約数和(自身を除く): 29126040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 47, 55, 60, 66, 88, 94, 110, 120, 132, 141, 165, 188, 199, 220, 235, 264, 282, 330, 376, 398, 440, 470, 517, 564, 597, 660, 705, 796, 940, 995, 1034, 1128, 1194, 1320, 1410, 1551, 1592, 1880, 1990, 2068, 2189, 2388, 2585, 2820, 2985, 3102, 3980, 4136, 4378, 4776, 5170, 5640, 5970, 6204, 6567, 7755, 7960, 8756, 9353, 10340, 10945, 11940, 12408, 13134, 15510, 17512, 18706, 20680, 21890, 23880, 26268, 28059, 31020, 32835, 37412, 43780, 46765, 52536, 56118, 62040, 65670, 74824, 87560, 93530, 102883, 112236, 131340, 140295, 187060, 205766, 224472, 262680, 280590, 308649, 374120, 411532, 514415, 561180, 617298, 823064, 1028830, 1122360, 1234596, 1543245, 2057660, 2469192, 3086490, 4115320, 6172980, 12345960]

約数ペア:

[(1, 12345960), (2, 6172980), (3, 4115320), (4, 3086490), (5, 2469192), (6, 2057660), (8, 1543245), (10, 1234596), (11, 1122360), (12, 1028830), (15, 823064), (20, 617298), (22, 561180), (24, 514415), (30, 411532), (33, 374120), (40, 308649), (44, 280590), (47, 262680), (55, 224472), (60, 205766), (66, 187060), (88, 140295), (94, 131340), (110, 112236), (120, 102883), (132, 93530), (141, 87560), (165, 74824), (188, 65670), (199, 62040), (220, 56118), (235, 52536), (264, 46765), (282, 43780), (330, 37412), (376, 32835), (398, 31020), (440, 28059), (470, 26268), (517, 23880), (564, 21890), (597, 20680), (660, 18706), (705, 17512), (796, 15510), (940, 13134), (995, 12408), (1034, 11940), (1128, 10945), (1194, 10340), (1320, 9353), (1410, 8756), (1551, 7960), (1592, 7755), (1880, 6567), (1990, 6204), (2068, 5970), (2189, 5640), (2388, 5170), (2585, 4776), (2820, 4378), (2985, 4136), (3102, 3980)]