1920975810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{653}}^1$

素因数の和:1092

約数の個数: 128

約数和(自身を含む): 5247486720

約数和(自身を除く): 3326510910

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 390, 397, 494, 570, 653, 741, 794, 1191, 1235, 1306, 1482, 1959, 1985, 2382, 2470, 3265, 3705, 3918, 3970, 5161, 5955, 6530, 7410, 7543, 8489, 9795, 10322, 11910, 12407, 15086, 15483, 16978, 19590, 22629, 24814, 25467, 25805, 30966, 37221, 37715, 42445, 45258, 50934, 51610, 62035, 74442, 75430, 77415, 84890, 98059, 113145, 124070, 127335, 154830, 161291, 186105, 196118, 226290, 254670, 259241, 294177, 322582, 372210, 483873, 490295, 518482, 588354, 777723, 806455, 967746, 980590, 1296205, 1470885, 1555446, 1612910, 2419365, 2592410, 2941770, 3370133, 3888615, 4838730, 4925579, 6740266, 7777230, 9851158, 10110399, 14776737, 16850665, 20220798, 24627895, 29553474, 33701330, 49255790, 50551995, 64032527, 73883685, 101103990, 128065054, 147767370, 192097581, 320162635, 384195162, 640325270, 960487905, 1920975810]

約数ペア:

[(1, 1920975810), (2, 960487905), (3, 640325270), (5, 384195162), (6, 320162635), (10, 192097581), (13, 147767370), (15, 128065054), (19, 101103990), (26, 73883685), (30, 64032527), (38, 50551995), (39, 49255790), (57, 33701330), (65, 29553474), (78, 24627895), (95, 20220798), (114, 16850665), (130, 14776737), (190, 10110399), (195, 9851158), (247, 7777230), (285, 6740266), (390, 4925579), (397, 4838730), (494, 3888615), (570, 3370133), (653, 2941770), (741, 2592410), (794, 2419365), (1191, 1612910), (1235, 1555446), (1306, 1470885), (1482, 1296205), (1959, 980590), (1985, 967746), (2382, 806455), (2470, 777723), (3265, 588354), (3705, 518482), (3918, 490295), (3970, 483873), (5161, 372210), (5955, 322582), (6530, 294177), (7410, 259241), (7543, 254670), (8489, 226290), (9795, 196118), (10322, 186105), (11910, 161291), (12407, 154830), (15086, 127335), (15483, 124070), (16978, 113145), (19590, 98059), (22629, 84890), (24814, 77415), (25467, 75430), (25805, 74442), (30966, 62035), (37221, 51610), (37715, 50934), (42445, 45258)]