64956780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1663}}^1$

素因数の和:1716

約数の個数: 144

約数和(自身を含む): 232587264

約数和(自身を除く): 167630484

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1663, 1860, 1953, 2170, 2604, 2790, 3255, 3326, 3906, 4340, 4989, 5580, 6510, 6652, 7812, 8315, 9765, 9978, 11641, 13020, 14967, 16630, 19530, 19956, 23282, 24945, 29934, 33260, 34923, 39060, 46564, 49890, 51553, 58205, 59868, 69846, 74835, 99780, 103106, 104769, 116410, 139692, 149670, 154659, 174615, 206212, 209538, 232820, 257765, 299340, 309318, 349230, 360871, 419076, 463977, 515530, 523845, 618636, 698460, 721742, 773295, 927954, 1031060, 1047690, 1082613, 1443484, 1546590, 1804355, 1855908, 2095380, 2165226, 2319885, 3093180, 3247839, 3608710, 4330452, 4639770, 5413065, 6495678, 7217420, 9279540, 10826130, 12991356, 16239195, 21652260, 32478390, 64956780]

約数ペア:

[(1, 64956780), (2, 32478390), (3, 21652260), (4, 16239195), (5, 12991356), (6, 10826130), (7, 9279540), (9, 7217420), (10, 6495678), (12, 5413065), (14, 4639770), (15, 4330452), (18, 3608710), (20, 3247839), (21, 3093180), (28, 2319885), (30, 2165226), (31, 2095380), (35, 1855908), (36, 1804355), (42, 1546590), (45, 1443484), (60, 1082613), (62, 1047690), (63, 1031060), (70, 927954), (84, 773295), (90, 721742), (93, 698460), (105, 618636), (124, 523845), (126, 515530), (140, 463977), (155, 419076), (180, 360871), (186, 349230), (210, 309318), (217, 299340), (252, 257765), (279, 232820), (310, 209538), (315, 206212), (372, 174615), (420, 154659), (434, 149670), (465, 139692), (558, 116410), (620, 104769), (630, 103106), (651, 99780), (868, 74835), (930, 69846), (1085, 59868), (1116, 58205), (1260, 51553), (1302, 49890), (1395, 46564), (1663, 39060), (1860, 34923), (1953, 33260), (2170, 29934), (2604, 24945), (2790, 23282), (3255, 19956), (3326, 19530), (3906, 16630), (4340, 14967), (4989, 13020), (5580, 11641), (6510, 9978), (6652, 9765), (7812, 8315)]