39961740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{563}}^1$

素因数の和:608

約数の個数: 144

約数和(自身を含む): 138716928

約数和(自身を除く): 98755188

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 169, 182, 195, 210, 260, 273, 338, 364, 390, 420, 455, 507, 546, 563, 676, 780, 845, 910, 1014, 1092, 1126, 1183, 1365, 1689, 1690, 1820, 2028, 2252, 2366, 2535, 2730, 2815, 3378, 3380, 3549, 3941, 4732, 5070, 5460, 5630, 5915, 6756, 7098, 7319, 7882, 8445, 10140, 11260, 11823, 11830, 14196, 14638, 15764, 16890, 17745, 19705, 21957, 23646, 23660, 29276, 33780, 35490, 36595, 39410, 43914, 47292, 51233, 59115, 70980, 73190, 78820, 87828, 95147, 102466, 109785, 118230, 146380, 153699, 190294, 204932, 219570, 236460, 256165, 285441, 307398, 380588, 439140, 475735, 512330, 570882, 614796, 666029, 768495, 951470, 1024660, 1141764, 1332058, 1427205, 1536990, 1902940, 1998087, 2664116, 2854410, 3073980, 3330145, 3996174, 5708820, 6660290, 7992348, 9990435, 13320580, 19980870, 39961740]

約数ペア:

[(1, 39961740), (2, 19980870), (3, 13320580), (4, 9990435), (5, 7992348), (6, 6660290), (7, 5708820), (10, 3996174), (12, 3330145), (13, 3073980), (14, 2854410), (15, 2664116), (20, 1998087), (21, 1902940), (26, 1536990), (28, 1427205), (30, 1332058), (35, 1141764), (39, 1024660), (42, 951470), (52, 768495), (60, 666029), (65, 614796), (70, 570882), (78, 512330), (84, 475735), (91, 439140), (105, 380588), (130, 307398), (140, 285441), (156, 256165), (169, 236460), (182, 219570), (195, 204932), (210, 190294), (260, 153699), (273, 146380), (338, 118230), (364, 109785), (390, 102466), (420, 95147), (455, 87828), (507, 78820), (546, 73190), (563, 70980), (676, 59115), (780, 51233), (845, 47292), (910, 43914), (1014, 39410), (1092, 36595), (1126, 35490), (1183, 33780), (1365, 29276), (1689, 23660), (1690, 23646), (1820, 21957), (2028, 19705), (2252, 17745), (2366, 16890), (2535, 15764), (2730, 14638), (2815, 14196), (3378, 11830), (3380, 11823), (3549, 11260), (3941, 10140), (4732, 8445), (5070, 7882), (5460, 7319), (5630, 7098), (5915, 6756)]