221477880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:270

約数の個数: 192

約数和(自身を含む): 734693760

約数和(自身を除く): 513215880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 67, 78, 104, 120, 130, 134, 156, 163, 169, 195, 201, 260, 268, 312, 326, 335, 338, 390, 402, 489, 507, 520, 536, 652, 670, 676, 780, 804, 815, 845, 871, 978, 1005, 1014, 1304, 1340, 1352, 1560, 1608, 1630, 1690, 1742, 1956, 2010, 2028, 2119, 2445, 2535, 2613, 2680, 3260, 3380, 3484, 3912, 4020, 4056, 4238, 4355, 4890, 5070, 5226, 6357, 6520, 6760, 6968, 8040, 8476, 8710, 9780, 10140, 10452, 10595, 10921, 11323, 12714, 13065, 16952, 17420, 19560, 20280, 20904, 21190, 21842, 22646, 25428, 26130, 27547, 31785, 32763, 33969, 34840, 42380, 43684, 45292, 50856, 52260, 54605, 55094, 56615, 63570, 65526, 67938, 82641, 84760, 87368, 90584, 104520, 109210, 110188, 113230, 127140, 131052, 135876, 137735, 141973, 163815, 165282, 169845, 218420, 220376, 226460, 254280, 262104, 271752, 275470, 283946, 327630, 330564, 339690, 413205, 425919, 436840, 452920, 550940, 567892, 655260, 661128, 679380, 709865, 826410, 851838, 1101880, 1135784, 1310520, 1358760, 1419730, 1652820, 1703676, 1845649, 2129595, 2839460, 3305640, 3407352, 3691298, 4259190, 5536947, 5678920, 7382596, 8518380, 9228245, 11073894, 14765192, 17036760, 18456490, 22147788, 27684735, 36912980, 44295576, 55369470, 73825960, 110738940, 221477880]

約数ペア:

[(1, 221477880), (2, 110738940), (3, 73825960), (4, 55369470), (5, 44295576), (6, 36912980), (8, 27684735), (10, 22147788), (12, 18456490), (13, 17036760), (15, 14765192), (20, 11073894), (24, 9228245), (26, 8518380), (30, 7382596), (39, 5678920), (40, 5536947), (52, 4259190), (60, 3691298), (65, 3407352), (67, 3305640), (78, 2839460), (104, 2129595), (120, 1845649), (130, 1703676), (134, 1652820), (156, 1419730), (163, 1358760), (169, 1310520), (195, 1135784), (201, 1101880), (260, 851838), (268, 826410), (312, 709865), (326, 679380), (335, 661128), (338, 655260), (390, 567892), (402, 550940), (489, 452920), (507, 436840), (520, 425919), (536, 413205), (652, 339690), (670, 330564), (676, 327630), (780, 283946), (804, 275470), (815, 271752), (845, 262104), (871, 254280), (978, 226460), (1005, 220376), (1014, 218420), (1304, 169845), (1340, 165282), (1352, 163815), (1560, 141973), (1608, 137735), (1630, 135876), (1690, 131052), (1742, 127140), (1956, 113230), (2010, 110188), (2028, 109210), (2119, 104520), (2445, 90584), (2535, 87368), (2613, 84760), (2680, 82641), (3260, 67938), (3380, 65526), (3484, 63570), (3912, 56615), (4020, 55094), (4056, 54605), (4238, 52260), (4355, 50856), (4890, 45292), (5070, 43684), (5226, 42380), (6357, 34840), (6520, 33969), (6760, 32763), (6968, 31785), (8040, 27547), (8476, 26130), (8710, 25428), (9780, 22646), (10140, 21842), (10452, 21190), (10595, 20904), (10921, 20280), (11323, 19560), (12714, 17420), (13065, 16952)]