388362420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{881}}^1$

素因数の和:1006

約数の個数: 144

約数和(自身を含む): 1232824320

約数和(自身を除く): 844461900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 79, 90, 93, 124, 155, 158, 180, 186, 237, 279, 310, 316, 372, 395, 465, 474, 558, 620, 711, 790, 881, 930, 948, 1116, 1185, 1395, 1422, 1580, 1762, 1860, 2370, 2449, 2643, 2790, 2844, 3524, 3555, 4405, 4740, 4898, 5286, 5580, 7110, 7347, 7929, 8810, 9796, 10572, 12245, 13215, 14220, 14694, 15858, 17620, 22041, 24490, 26430, 27311, 29388, 31716, 36735, 39645, 44082, 48980, 52860, 54622, 69599, 73470, 79290, 81933, 88164, 109244, 110205, 136555, 139198, 146940, 158580, 163866, 208797, 220410, 245799, 273110, 278396, 327732, 347995, 409665, 417594, 440820, 491598, 546220, 626391, 695990, 819330, 835188, 983196, 1043985, 1228995, 1252782, 1391980, 1638660, 2087970, 2157569, 2457990, 2505564, 3131955, 4175940, 4315138, 4915980, 6263910, 6472707, 8630276, 10787845, 12527820, 12945414, 19418121, 21575690, 25890828, 32363535, 38836242, 43151380, 64727070, 77672484, 97090605, 129454140, 194181210, 388362420]

約数ペア:

[(1, 388362420), (2, 194181210), (3, 129454140), (4, 97090605), (5, 77672484), (6, 64727070), (9, 43151380), (10, 38836242), (12, 32363535), (15, 25890828), (18, 21575690), (20, 19418121), (30, 12945414), (31, 12527820), (36, 10787845), (45, 8630276), (60, 6472707), (62, 6263910), (79, 4915980), (90, 4315138), (93, 4175940), (124, 3131955), (155, 2505564), (158, 2457990), (180, 2157569), (186, 2087970), (237, 1638660), (279, 1391980), (310, 1252782), (316, 1228995), (372, 1043985), (395, 983196), (465, 835188), (474, 819330), (558, 695990), (620, 626391), (711, 546220), (790, 491598), (881, 440820), (930, 417594), (948, 409665), (1116, 347995), (1185, 327732), (1395, 278396), (1422, 273110), (1580, 245799), (1762, 220410), (1860, 208797), (2370, 163866), (2449, 158580), (2643, 146940), (2790, 139198), (2844, 136555), (3524, 110205), (3555, 109244), (4405, 88164), (4740, 81933), (4898, 79290), (5286, 73470), (5580, 69599), (7110, 54622), (7347, 52860), (7929, 48980), (8810, 44082), (9796, 39645), (10572, 36735), (12245, 31716), (13215, 29388), (14220, 27311), (14694, 26430), (15858, 24490), (17620, 22041)]