8640147320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{5231}}^1$

素因数の和:5613

約数の個数: 128

約数和(自身を含む): 23596738560

約数和(自身を除く): 14956591240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 347, 476, 595, 680, 694, 952, 1190, 1388, 1735, 2380, 2429, 2776, 3470, 4760, 4858, 5231, 5899, 6940, 9716, 10462, 11798, 12145, 13880, 19432, 20924, 23596, 24290, 26155, 29495, 36617, 41293, 41848, 47192, 48580, 52310, 58990, 73234, 82586, 88927, 97160, 104620, 117980, 146468, 165172, 177854, 183085, 206465, 209240, 235960, 292936, 330344, 355708, 366170, 412930, 444635, 622489, 711416, 732340, 825860, 889270, 1244978, 1464680, 1651720, 1778540, 1815157, 2489956, 3112445, 3557080, 3630314, 4979912, 6224890, 7260628, 9075785, 12449780, 12706099, 14521256, 18151570, 24899560, 25412198, 30857669, 36303140, 50824396, 61715338, 63530495, 72606280, 101648792, 123430676, 127060990, 154288345, 216003683, 246861352, 254121980, 308576690, 432007366, 508243960, 617153380, 864014732, 1080018415, 1234306760, 1728029464, 2160036830, 4320073660, 8640147320]

約数ペア:

[(1, 8640147320), (2, 4320073660), (4, 2160036830), (5, 1728029464), (7, 1234306760), (8, 1080018415), (10, 864014732), (14, 617153380), (17, 508243960), (20, 432007366), (28, 308576690), (34, 254121980), (35, 246861352), (40, 216003683), (56, 154288345), (68, 127060990), (70, 123430676), (85, 101648792), (119, 72606280), (136, 63530495), (140, 61715338), (170, 50824396), (238, 36303140), (280, 30857669), (340, 25412198), (347, 24899560), (476, 18151570), (595, 14521256), (680, 12706099), (694, 12449780), (952, 9075785), (1190, 7260628), (1388, 6224890), (1735, 4979912), (2380, 3630314), (2429, 3557080), (2776, 3112445), (3470, 2489956), (4760, 1815157), (4858, 1778540), (5231, 1651720), (5899, 1464680), (6940, 1244978), (9716, 889270), (10462, 825860), (11798, 732340), (12145, 711416), (13880, 622489), (19432, 444635), (20924, 412930), (23596, 366170), (24290, 355708), (26155, 330344), (29495, 292936), (36617, 235960), (41293, 209240), (41848, 206465), (47192, 183085), (48580, 177854), (52310, 165172), (58990, 146468), (73234, 117980), (82586, 104620), (88927, 97160)]