64270620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 203793408

約数和(自身を除く): 139522788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 71, 90, 94, 107, 141, 142, 180, 188, 213, 214, 235, 282, 284, 321, 355, 423, 426, 428, 470, 535, 564, 639, 642, 705, 710, 846, 852, 940, 963, 1065, 1070, 1278, 1284, 1410, 1420, 1605, 1692, 1926, 2115, 2130, 2140, 2556, 2820, 3195, 3210, 3337, 3852, 4230, 4260, 4815, 5029, 6390, 6420, 6674, 7597, 8460, 9630, 10011, 10058, 12780, 13348, 15087, 15194, 16685, 19260, 20022, 20116, 22791, 25145, 30033, 30174, 30388, 33370, 37985, 40044, 45261, 45582, 50055, 50290, 60066, 60348, 66740, 68373, 75435, 75970, 90522, 91164, 100110, 100580, 113955, 120132, 136746, 150165, 150870, 151940, 181044, 200220, 226305, 227910, 273492, 300330, 301740, 341865, 357059, 452610, 455820, 600660, 683730, 714118, 905220, 1071177, 1367460, 1428236, 1785295, 2142354, 3213531, 3570590, 4284708, 5355885, 6427062, 7141180, 10711770, 12854124, 16067655, 21423540, 32135310, 64270620]

約数ペア:

[(1, 64270620), (2, 32135310), (3, 21423540), (4, 16067655), (5, 12854124), (6, 10711770), (9, 7141180), (10, 6427062), (12, 5355885), (15, 4284708), (18, 3570590), (20, 3213531), (30, 2142354), (36, 1785295), (45, 1428236), (47, 1367460), (60, 1071177), (71, 905220), (90, 714118), (94, 683730), (107, 600660), (141, 455820), (142, 452610), (180, 357059), (188, 341865), (213, 301740), (214, 300330), (235, 273492), (282, 227910), (284, 226305), (321, 200220), (355, 181044), (423, 151940), (426, 150870), (428, 150165), (470, 136746), (535, 120132), (564, 113955), (639, 100580), (642, 100110), (705, 91164), (710, 90522), (846, 75970), (852, 75435), (940, 68373), (963, 66740), (1065, 60348), (1070, 60066), (1278, 50290), (1284, 50055), (1410, 45582), (1420, 45261), (1605, 40044), (1692, 37985), (1926, 33370), (2115, 30388), (2130, 30174), (2140, 30033), (2556, 25145), (2820, 22791), (3195, 20116), (3210, 20022), (3337, 19260), (3852, 16685), (4230, 15194), (4260, 15087), (4815, 13348), (5029, 12780), (6390, 10058), (6420, 10011), (6674, 9630), (7597, 8460)]