64821540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8123}}^1$

素因数の和:8161

約数の個数: 96

約数和(自身を含む): 218373120

約数和(自身を除く): 153551580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 8123, 16246, 24369, 32492, 40615, 48738, 56861, 81230, 97476, 113722, 121845, 154337, 162460, 170583, 227444, 243690, 284305, 308674, 341166, 463011, 487380, 568610, 617348, 682332, 771685, 852915, 926022, 1080359, 1137220, 1543370, 1705830, 1852044, 2160718, 2315055, 3086740, 3241077, 3411660, 4321436, 4630110, 5401795, 6482154, 9260220, 10803590, 12964308, 16205385, 21607180, 32410770, 64821540]

約数ペア:

[(1, 64821540), (2, 32410770), (3, 21607180), (4, 16205385), (5, 12964308), (6, 10803590), (7, 9260220), (10, 6482154), (12, 5401795), (14, 4630110), (15, 4321436), (19, 3411660), (20, 3241077), (21, 3086740), (28, 2315055), (30, 2160718), (35, 1852044), (38, 1705830), (42, 1543370), (57, 1137220), (60, 1080359), (70, 926022), (76, 852915), (84, 771685), (95, 682332), (105, 617348), (114, 568610), (133, 487380), (140, 463011), (190, 341166), (210, 308674), (228, 284305), (266, 243690), (285, 227444), (380, 170583), (399, 162460), (420, 154337), (532, 121845), (570, 113722), (665, 97476), (798, 81230), (1140, 56861), (1330, 48738), (1596, 40615), (1995, 32492), (2660, 24369), (3990, 16246), (7980, 8123)]