1639965420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:485

約数の個数: 192

約数和(自身を含む): 5215795200

約数和(自身を除く): 3575829780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 97, 108, 131, 135, 180, 194, 239, 262, 270, 291, 388, 393, 478, 485, 524, 540, 582, 655, 717, 786, 873, 956, 970, 1164, 1179, 1195, 1310, 1434, 1455, 1572, 1746, 1940, 1965, 2151, 2358, 2390, 2619, 2620, 2868, 2910, 3492, 3537, 3585, 3930, 4302, 4365, 4716, 4780, 5238, 5820, 5895, 6453, 7074, 7170, 7860, 8604, 8730, 10476, 10755, 11790, 12707, 12906, 13095, 14148, 14340, 17460, 17685, 21510, 23183, 23580, 25414, 25812, 26190, 31309, 32265, 35370, 38121, 43020, 46366, 50828, 52380, 62618, 63535, 64530, 69549, 70740, 76242, 92732, 93927, 114363, 115915, 125236, 127070, 129060, 139098, 152484, 156545, 187854, 190605, 208647, 228726, 231830, 254140, 278196, 281781, 313090, 343089, 347745, 375708, 381210, 417294, 457452, 463660, 469635, 563562, 571815, 625941, 626180, 686178, 695490, 762420, 834588, 845343, 939270, 1043235, 1127124, 1143630, 1251882, 1372356, 1390980, 1408905, 1690686, 1715445, 1878540, 2086470, 2287260, 2503764, 2817810, 3036973, 3129705, 3381372, 3430890, 4172940, 4226715, 5635620, 6073946, 6259410, 6861780, 8453430, 9110919, 12147892, 12518820, 15184865, 16906860, 18221838, 27332757, 30369730, 36443676, 45554595, 54665514, 60739460, 81998271, 91109190, 109331028, 136663785, 163996542, 182218380, 273327570, 327993084, 409991355, 546655140, 819982710, 1639965420]

約数ペア:

[(1, 1639965420), (2, 819982710), (3, 546655140), (4, 409991355), (5, 327993084), (6, 273327570), (9, 182218380), (10, 163996542), (12, 136663785), (15, 109331028), (18, 91109190), (20, 81998271), (27, 60739460), (30, 54665514), (36, 45554595), (45, 36443676), (54, 30369730), (60, 27332757), (90, 18221838), (97, 16906860), (108, 15184865), (131, 12518820), (135, 12147892), (180, 9110919), (194, 8453430), (239, 6861780), (262, 6259410), (270, 6073946), (291, 5635620), (388, 4226715), (393, 4172940), (478, 3430890), (485, 3381372), (524, 3129705), (540, 3036973), (582, 2817810), (655, 2503764), (717, 2287260), (786, 2086470), (873, 1878540), (956, 1715445), (970, 1690686), (1164, 1408905), (1179, 1390980), (1195, 1372356), (1310, 1251882), (1434, 1143630), (1455, 1127124), (1572, 1043235), (1746, 939270), (1940, 845343), (1965, 834588), (2151, 762420), (2358, 695490), (2390, 686178), (2619, 626180), (2620, 625941), (2868, 571815), (2910, 563562), (3492, 469635), (3537, 463660), (3585, 457452), (3930, 417294), (4302, 381210), (4365, 375708), (4716, 347745), (4780, 343089), (5238, 313090), (5820, 281781), (5895, 278196), (6453, 254140), (7074, 231830), (7170, 228726), (7860, 208647), (8604, 190605), (8730, 187854), (10476, 156545), (10755, 152484), (11790, 139098), (12707, 129060), (12906, 127070), (13095, 125236), (14148, 115915), (14340, 114363), (17460, 93927), (17685, 92732), (21510, 76242), (23183, 70740), (23580, 69549), (25414, 64530), (25812, 63535), (26190, 62618), (31309, 52380), (32265, 50828), (35370, 46366), (38121, 43020)]