259497280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:193

約数の個数: 224

約数和(自身を含む): 756099072

約数和(自身を除く): 496601792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 37, 40, 56, 62, 64, 70, 74, 80, 101, 112, 124, 140, 148, 155, 160, 185, 202, 217, 224, 248, 259, 280, 296, 310, 320, 370, 404, 434, 448, 496, 505, 518, 560, 592, 620, 707, 740, 808, 868, 992, 1010, 1036, 1085, 1120, 1147, 1184, 1240, 1295, 1414, 1480, 1616, 1736, 1984, 2020, 2072, 2170, 2240, 2294, 2368, 2480, 2590, 2828, 2960, 3131, 3232, 3472, 3535, 3737, 4040, 4144, 4340, 4588, 4960, 5180, 5656, 5735, 5920, 6262, 6464, 6944, 7070, 7474, 8029, 8080, 8288, 8680, 9176, 9920, 10360, 11312, 11470, 11840, 12524, 13888, 14140, 14948, 15655, 16058, 16160, 16576, 17360, 18352, 18685, 20720, 21917, 22624, 22940, 25048, 26159, 28280, 29896, 31310, 32116, 32320, 34720, 36704, 37370, 40145, 41440, 43834, 45248, 45880, 50096, 52318, 56560, 59792, 62620, 64232, 69440, 73408, 74740, 80290, 82880, 87668, 91760, 100192, 104636, 109585, 113120, 115847, 119584, 125240, 128464, 130795, 149480, 160580, 175336, 183520, 200384, 209272, 219170, 226240, 231694, 239168, 250480, 256928, 261590, 298960, 321160, 350672, 367040, 418544, 438340, 463388, 500960, 513856, 523180, 579235, 597920, 642320, 701344, 810929, 837088, 876680, 926776, 1001920, 1046360, 1158470, 1195840, 1284640, 1402688, 1621858, 1674176, 1753360, 1853552, 2092720, 2316940, 2569280, 3243716, 3506720, 3707104, 4054645, 4185440, 4633880, 6487432, 7013440, 7414208, 8109290, 8370880, 9267760, 12974864, 16218580, 18535520, 25949728, 32437160, 37071040, 51899456, 64874320, 129748640, 259497280]

約数ペア:

[(1, 259497280), (2, 129748640), (4, 64874320), (5, 51899456), (7, 37071040), (8, 32437160), (10, 25949728), (14, 18535520), (16, 16218580), (20, 12974864), (28, 9267760), (31, 8370880), (32, 8109290), (35, 7414208), (37, 7013440), (40, 6487432), (56, 4633880), (62, 4185440), (64, 4054645), (70, 3707104), (74, 3506720), (80, 3243716), (101, 2569280), (112, 2316940), (124, 2092720), (140, 1853552), (148, 1753360), (155, 1674176), (160, 1621858), (185, 1402688), (202, 1284640), (217, 1195840), (224, 1158470), (248, 1046360), (259, 1001920), (280, 926776), (296, 876680), (310, 837088), (320, 810929), (370, 701344), (404, 642320), (434, 597920), (448, 579235), (496, 523180), (505, 513856), (518, 500960), (560, 463388), (592, 438340), (620, 418544), (707, 367040), (740, 350672), (808, 321160), (868, 298960), (992, 261590), (1010, 256928), (1036, 250480), (1085, 239168), (1120, 231694), (1147, 226240), (1184, 219170), (1240, 209272), (1295, 200384), (1414, 183520), (1480, 175336), (1616, 160580), (1736, 149480), (1984, 130795), (2020, 128464), (2072, 125240), (2170, 119584), (2240, 115847), (2294, 113120), (2368, 109585), (2480, 104636), (2590, 100192), (2828, 91760), (2960, 87668), (3131, 82880), (3232, 80290), (3472, 74740), (3535, 73408), (3737, 69440), (4040, 64232), (4144, 62620), (4340, 59792), (4588, 56560), (4960, 52318), (5180, 50096), (5656, 45880), (5735, 45248), (5920, 43834), (6262, 41440), (6464, 40145), (6944, 37370), (7070, 36704), (7474, 34720), (8029, 32320), (8080, 32116), (8288, 31310), (8680, 29896), (9176, 28280), (9920, 26159), (10360, 25048), (11312, 22940), (11470, 22624), (11840, 21917), (12524, 20720), (13888, 18685), (14140, 18352), (14948, 17360), (15655, 16576), (16058, 16160)]