71402940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{929}}^1$

素因数の和:1012

約数の個数: 144

約数和(自身を含む): 251858880

約数和(自身を除く): 180455940

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, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 366, 420, 427, 549, 610, 630, 732, 854, 915, 929, 1098, 1220, 1260, 1281, 1708, 1830, 1858, 2135, 2196, 2562, 2745, 2787, 3660, 3716, 3843, 4270, 4645, 5124, 5490, 5574, 6405, 6503, 7686, 8361, 8540, 9290, 10980, 11148, 12810, 13006, 13935, 15372, 16722, 18580, 19215, 19509, 25620, 26012, 27870, 32515, 33444, 38430, 39018, 41805, 55740, 56669, 58527, 65030, 76860, 78036, 83610, 97545, 113338, 117054, 130060, 167220, 170007, 195090, 226676, 234108, 283345, 292635, 340014, 390180, 396683, 510021, 566690, 585270, 680028, 793366, 850035, 1020042, 1133380, 1170540, 1190049, 1586732, 1700070, 1983415, 2040084, 2380098, 2550105, 3400140, 3570147, 3966830, 4760196, 5100210, 5950245, 7140294, 7933660, 10200420, 11900490, 14280588, 17850735, 23800980, 35701470, 71402940]

約数ペア:

[(1, 71402940), (2, 35701470), (3, 23800980), (4, 17850735), (5, 14280588), (6, 11900490), (7, 10200420), (9, 7933660), (10, 7140294), (12, 5950245), (14, 5100210), (15, 4760196), (18, 3966830), (20, 3570147), (21, 3400140), (28, 2550105), (30, 2380098), (35, 2040084), (36, 1983415), (42, 1700070), (45, 1586732), (60, 1190049), (61, 1170540), (63, 1133380), (70, 1020042), (84, 850035), (90, 793366), (105, 680028), (122, 585270), (126, 566690), (140, 510021), (180, 396683), (183, 390180), (210, 340014), (244, 292635), (252, 283345), (305, 234108), (315, 226676), (366, 195090), (420, 170007), (427, 167220), (549, 130060), (610, 117054), (630, 113338), (732, 97545), (854, 83610), (915, 78036), (929, 76860), (1098, 65030), (1220, 58527), (1260, 56669), (1281, 55740), (1708, 41805), (1830, 39018), (1858, 38430), (2135, 33444), (2196, 32515), (2562, 27870), (2745, 26012), (2787, 25620), (3660, 19509), (3716, 19215), (3843, 18580), (4270, 16722), (4645, 15372), (5124, 13935), (5490, 13006), (5574, 12810), (6405, 11148), (6503, 10980), (7686, 9290), (8361, 8540)]