64985085

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{503}}^1$

素因数の和:560

約数の個数: 80

約数和(自身を含む): 131725440

約数和(自身を除く): 66740355

約数列:

[1, 3, 5, 9, 11, 15, 27, 29, 33, 45, 55, 81, 87, 99, 135, 145, 165, 261, 297, 319, 405, 435, 495, 503, 783, 891, 957, 1305, 1485, 1509, 1595, 2349, 2515, 2871, 3915, 4455, 4527, 4785, 5533, 7545, 8613, 11745, 13581, 14355, 14587, 16599, 22635, 25839, 27665, 40743, 43065, 43761, 49797, 67905, 72935, 82995, 129195, 131283, 149391, 160457, 203715, 218805, 248985, 393849, 448173, 481371, 656415, 746955, 802285, 1181547, 1444113, 1969245, 2240865, 2406855, 4332339, 5907735, 7220565, 12997017, 21661695, 64985085]

約数ペア:

[(1, 64985085), (3, 21661695), (5, 12997017), (9, 7220565), (11, 5907735), (15, 4332339), (27, 2406855), (29, 2240865), (33, 1969245), (45, 1444113), (55, 1181547), (81, 802285), (87, 746955), (99, 656415), (135, 481371), (145, 448173), (165, 393849), (261, 248985), (297, 218805), (319, 203715), (405, 160457), (435, 149391), (495, 131283), (503, 129195), (783, 82995), (891, 72935), (957, 67905), (1305, 49797), (1485, 43761), (1509, 43065), (1595, 40743), (2349, 27665), (2515, 25839), (2871, 22635), (3915, 16599), (4455, 14587), (4527, 14355), (4785, 13581), (5533, 11745), (7545, 8613)]