420261760

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{107}}^1$

素因数の和:181

約数の個数: 192

約数和(自身を含む): 1133215920

約数和(自身を除く): 712954160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 107, 128, 136, 152, 160, 170, 190, 214, 272, 304, 320, 323, 340, 361, 380, 428, 535, 544, 608, 640, 646, 680, 722, 760, 856, 1070, 1088, 1216, 1292, 1360, 1444, 1520, 1615, 1712, 1805, 1819, 2033, 2140, 2176, 2432, 2584, 2720, 2888, 3040, 3230, 3424, 3610, 3638, 4066, 4280, 5168, 5440, 5776, 6080, 6137, 6460, 6848, 7220, 7276, 8132, 8560, 9095, 10165, 10336, 10880, 11552, 12160, 12274, 12920, 13696, 14440, 14552, 16264, 17120, 18190, 20330, 20672, 23104, 24548, 25840, 28880, 29104, 30685, 32528, 34240, 34561, 36380, 38627, 40660, 41344, 46208, 49096, 51680, 57760, 58208, 61370, 65056, 68480, 69122, 72760, 77254, 81320, 98192, 103360, 115520, 116416, 122740, 130112, 138244, 145520, 154508, 162640, 172805, 193135, 196384, 206720, 231040, 232832, 245480, 260224, 276488, 291040, 309016, 325280, 345610, 386270, 392768, 490960, 552976, 582080, 618032, 650560, 656659, 691220, 772540, 785536, 981920, 1105952, 1164160, 1236064, 1301120, 1313318, 1382440, 1545080, 1963840, 2211904, 2472128, 2626636, 2764880, 3090160, 3283295, 3927680, 4423808, 4944256, 5253272, 5529760, 6180320, 6566590, 10506544, 11059520, 12360640, 13133180, 21013088, 22119040, 24721280, 26266360, 42026176, 52532720, 84052352, 105065440, 210130880, 420261760]

約数ペア:

[(1, 420261760), (2, 210130880), (4, 105065440), (5, 84052352), (8, 52532720), (10, 42026176), (16, 26266360), (17, 24721280), (19, 22119040), (20, 21013088), (32, 13133180), (34, 12360640), (38, 11059520), (40, 10506544), (64, 6566590), (68, 6180320), (76, 5529760), (80, 5253272), (85, 4944256), (95, 4423808), (107, 3927680), (128, 3283295), (136, 3090160), (152, 2764880), (160, 2626636), (170, 2472128), (190, 2211904), (214, 1963840), (272, 1545080), (304, 1382440), (320, 1313318), (323, 1301120), (340, 1236064), (361, 1164160), (380, 1105952), (428, 981920), (535, 785536), (544, 772540), (608, 691220), (640, 656659), (646, 650560), (680, 618032), (722, 582080), (760, 552976), (856, 490960), (1070, 392768), (1088, 386270), (1216, 345610), (1292, 325280), (1360, 309016), (1444, 291040), (1520, 276488), (1615, 260224), (1712, 245480), (1805, 232832), (1819, 231040), (2033, 206720), (2140, 196384), (2176, 193135), (2432, 172805), (2584, 162640), (2720, 154508), (2888, 145520), (3040, 138244), (3230, 130112), (3424, 122740), (3610, 116416), (3638, 115520), (4066, 103360), (4280, 98192), (5168, 81320), (5440, 77254), (5776, 72760), (6080, 69122), (6137, 68480), (6460, 65056), (6848, 61370), (7220, 58208), (7276, 57760), (8132, 51680), (8560, 49096), (9095, 46208), (10165, 41344), (10336, 40660), (10880, 38627), (11552, 36380), (12160, 34561), (12274, 34240), (12920, 32528), (13696, 30685), (14440, 29104), (14552, 28880), (16264, 25840), (17120, 24548), (18190, 23104), (20330, 20672)]