248695720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4019}}^1$

素因数の和:4067

約数の個数: 128

約数和(自身を含む): 729388800

約数和(自身を除く): 480693080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 221, 238, 260, 280, 340, 364, 442, 455, 476, 520, 595, 680, 728, 884, 910, 952, 1105, 1190, 1547, 1768, 1820, 2210, 2380, 3094, 3640, 4019, 4420, 4760, 6188, 7735, 8038, 8840, 12376, 15470, 16076, 20095, 28133, 30940, 32152, 40190, 52247, 56266, 61880, 68323, 80380, 104494, 112532, 136646, 140665, 160760, 208988, 225064, 261235, 273292, 281330, 341615, 365729, 417976, 478261, 522470, 546584, 562660, 683230, 731458, 888199, 956522, 1044940, 1125320, 1366460, 1462916, 1776398, 1828645, 1913044, 2089880, 2391305, 2732920, 2925832, 3552796, 3657290, 3826088, 4440995, 4782610, 6217393, 7105592, 7314580, 8881990, 9565220, 12434786, 14629160, 17763980, 19130440, 24869572, 31086965, 35527960, 49739144, 62173930, 124347860, 248695720]

約数ペア:

[(1, 248695720), (2, 124347860), (4, 62173930), (5, 49739144), (7, 35527960), (8, 31086965), (10, 24869572), (13, 19130440), (14, 17763980), (17, 14629160), (20, 12434786), (26, 9565220), (28, 8881990), (34, 7314580), (35, 7105592), (40, 6217393), (52, 4782610), (56, 4440995), (65, 3826088), (68, 3657290), (70, 3552796), (85, 2925832), (91, 2732920), (104, 2391305), (119, 2089880), (130, 1913044), (136, 1828645), (140, 1776398), (170, 1462916), (182, 1366460), (221, 1125320), (238, 1044940), (260, 956522), (280, 888199), (340, 731458), (364, 683230), (442, 562660), (455, 546584), (476, 522470), (520, 478261), (595, 417976), (680, 365729), (728, 341615), (884, 281330), (910, 273292), (952, 261235), (1105, 225064), (1190, 208988), (1547, 160760), (1768, 140665), (1820, 136646), (2210, 112532), (2380, 104494), (3094, 80380), (3640, 68323), (4019, 61880), (4420, 56266), (4760, 52247), (6188, 40190), (7735, 32152), (8038, 30940), (8840, 28133), (12376, 20095), (15470, 16076)]