128215620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:534

約数の個数: 144

約数和(自身を含む): 422713200

約数和(自身を除く): 294497580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 157, 180, 195, 234, 260, 314, 349, 390, 468, 471, 585, 628, 698, 780, 785, 942, 1047, 1170, 1396, 1413, 1570, 1745, 1884, 2041, 2094, 2340, 2355, 2826, 3140, 3141, 3490, 4082, 4188, 4537, 4710, 5235, 5652, 6123, 6282, 6980, 7065, 8164, 9074, 9420, 10205, 10470, 12246, 12564, 13611, 14130, 15705, 18148, 18369, 20410, 20940, 22685, 24492, 27222, 28260, 30615, 31410, 36738, 40820, 40833, 45370, 54444, 54793, 61230, 62820, 68055, 73476, 81666, 90740, 91845, 109586, 122460, 136110, 163332, 164379, 183690, 204165, 219172, 272220, 273965, 328758, 367380, 408330, 493137, 547930, 657516, 712309, 816660, 821895, 986274, 1095860, 1424618, 1643790, 1972548, 2136927, 2465685, 2849236, 3287580, 3561545, 4273854, 4931370, 6410781, 7123090, 8547708, 9862740, 10684635, 12821562, 14246180, 21369270, 25643124, 32053905, 42738540, 64107810, 128215620]

約数ペア:

[(1, 128215620), (2, 64107810), (3, 42738540), (4, 32053905), (5, 25643124), (6, 21369270), (9, 14246180), (10, 12821562), (12, 10684635), (13, 9862740), (15, 8547708), (18, 7123090), (20, 6410781), (26, 4931370), (30, 4273854), (36, 3561545), (39, 3287580), (45, 2849236), (52, 2465685), (60, 2136927), (65, 1972548), (78, 1643790), (90, 1424618), (117, 1095860), (130, 986274), (156, 821895), (157, 816660), (180, 712309), (195, 657516), (234, 547930), (260, 493137), (314, 408330), (349, 367380), (390, 328758), (468, 273965), (471, 272220), (585, 219172), (628, 204165), (698, 183690), (780, 164379), (785, 163332), (942, 136110), (1047, 122460), (1170, 109586), (1396, 91845), (1413, 90740), (1570, 81666), (1745, 73476), (1884, 68055), (2041, 62820), (2094, 61230), (2340, 54793), (2355, 54444), (2826, 45370), (3140, 40833), (3141, 40820), (3490, 36738), (4082, 31410), (4188, 30615), (4537, 28260), (4710, 27222), (5235, 24492), (5652, 22685), (6123, 20940), (6282, 20410), (6980, 18369), (7065, 18148), (8164, 15705), (9074, 14130), (9420, 13611), (10205, 12564), (10470, 12246)]