215487510

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:546

約数の個数: 128

約数和(自身を含む): 619315200

約数和(自身を除く): 403827690

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 79, 93, 105, 155, 158, 186, 210, 217, 237, 310, 395, 419, 434, 465, 474, 553, 651, 790, 838, 930, 1085, 1106, 1185, 1257, 1302, 1659, 2095, 2170, 2370, 2449, 2514, 2765, 2933, 3255, 3318, 4190, 4898, 5530, 5866, 6285, 6510, 7347, 8295, 8799, 12245, 12570, 12989, 14665, 14694, 16590, 17143, 17598, 24490, 25978, 29330, 33101, 34286, 36735, 38967, 43995, 51429, 64945, 66202, 73470, 77934, 85715, 87990, 90923, 99303, 102858, 129890, 165505, 171430, 181846, 194835, 198606, 231707, 257145, 272769, 331010, 389670, 454615, 463414, 496515, 514290, 545538, 695121, 909230, 993030, 1026131, 1158535, 1363845, 1390242, 2052262, 2317070, 2727690, 3078393, 3475605, 5130655, 6156786, 6951210, 7182917, 10261310, 14365834, 15391965, 21548751, 30783930, 35914585, 43097502, 71829170, 107743755, 215487510]

約数ペア:

[(1, 215487510), (2, 107743755), (3, 71829170), (5, 43097502), (6, 35914585), (7, 30783930), (10, 21548751), (14, 15391965), (15, 14365834), (21, 10261310), (30, 7182917), (31, 6951210), (35, 6156786), (42, 5130655), (62, 3475605), (70, 3078393), (79, 2727690), (93, 2317070), (105, 2052262), (155, 1390242), (158, 1363845), (186, 1158535), (210, 1026131), (217, 993030), (237, 909230), (310, 695121), (395, 545538), (419, 514290), (434, 496515), (465, 463414), (474, 454615), (553, 389670), (651, 331010), (790, 272769), (838, 257145), (930, 231707), (1085, 198606), (1106, 194835), (1185, 181846), (1257, 171430), (1302, 165505), (1659, 129890), (2095, 102858), (2170, 99303), (2370, 90923), (2449, 87990), (2514, 85715), (2765, 77934), (2933, 73470), (3255, 66202), (3318, 64945), (4190, 51429), (4898, 43995), (5530, 38967), (5866, 36735), (6285, 34286), (6510, 33101), (7347, 29330), (8295, 25978), (8799, 24490), (12245, 17598), (12570, 17143), (12989, 16590), (14665, 14694)]