71428140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{683}}^1$

素因数の和:788

約数の個数: 144

約数和(自身を含む): 250967808

約数和(自身を除く): 179539668

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 83, 84, 90, 105, 126, 140, 166, 180, 210, 249, 252, 315, 332, 415, 420, 498, 581, 630, 683, 747, 830, 996, 1162, 1245, 1260, 1366, 1494, 1660, 1743, 2049, 2324, 2490, 2732, 2905, 2988, 3415, 3486, 3735, 4098, 4781, 4980, 5229, 5810, 6147, 6830, 6972, 7470, 8196, 8715, 9562, 10245, 10458, 11620, 12294, 13660, 14343, 14940, 17430, 19124, 20490, 20916, 23905, 24588, 26145, 28686, 30735, 34860, 40980, 43029, 47810, 52290, 56689, 57372, 61470, 71715, 86058, 95620, 104580, 113378, 122940, 143430, 170067, 172116, 215145, 226756, 283445, 286860, 340134, 396823, 430290, 510201, 566890, 680268, 793646, 850335, 860580, 1020402, 1133780, 1190469, 1587292, 1700670, 1984115, 2040804, 2380938, 2551005, 3401340, 3571407, 3968230, 4761876, 5102010, 5952345, 7142814, 7936460, 10204020, 11904690, 14285628, 17857035, 23809380, 35714070, 71428140]

約数ペア:

[(1, 71428140), (2, 35714070), (3, 23809380), (4, 17857035), (5, 14285628), (6, 11904690), (7, 10204020), (9, 7936460), (10, 7142814), (12, 5952345), (14, 5102010), (15, 4761876), (18, 3968230), (20, 3571407), (21, 3401340), (28, 2551005), (30, 2380938), (35, 2040804), (36, 1984115), (42, 1700670), (45, 1587292), (60, 1190469), (63, 1133780), (70, 1020402), (83, 860580), (84, 850335), (90, 793646), (105, 680268), (126, 566890), (140, 510201), (166, 430290), (180, 396823), (210, 340134), (249, 286860), (252, 283445), (315, 226756), (332, 215145), (415, 172116), (420, 170067), (498, 143430), (581, 122940), (630, 113378), (683, 104580), (747, 95620), (830, 86058), (996, 71715), (1162, 61470), (1245, 57372), (1260, 56689), (1366, 52290), (1494, 47810), (1660, 43029), (1743, 40980), (2049, 34860), (2324, 30735), (2490, 28686), (2732, 26145), (2905, 24588), (2988, 23905), (3415, 20916), (3486, 20490), (3735, 19124), (4098, 17430), (4781, 14940), (4980, 14343), (5229, 13660), (5810, 12294), (6147, 11620), (6830, 10458), (6972, 10245), (7470, 9562), (8196, 8715)]