78515220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9839}}^1$

素因数の和:9877

約数の個数: 96

約数和(自身を含む): 264499200

約数和(自身を除く): 185983980

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, 9839, 19678, 29517, 39356, 49195, 59034, 68873, 98390, 118068, 137746, 147585, 186941, 196780, 206619, 275492, 295170, 344365, 373882, 413238, 560823, 590340, 688730, 747764, 826476, 934705, 1033095, 1121646, 1308587, 1377460, 1869410, 2066190, 2243292, 2617174, 2804115, 3738820, 3925761, 4132380, 5234348, 5608230, 6542935, 7851522, 11216460, 13085870, 15703044, 19628805, 26171740, 39257610, 78515220]

約数ペア:

[(1, 78515220), (2, 39257610), (3, 26171740), (4, 19628805), (5, 15703044), (6, 13085870), (7, 11216460), (10, 7851522), (12, 6542935), (14, 5608230), (15, 5234348), (19, 4132380), (20, 3925761), (21, 3738820), (28, 2804115), (30, 2617174), (35, 2243292), (38, 2066190), (42, 1869410), (57, 1377460), (60, 1308587), (70, 1121646), (76, 1033095), (84, 934705), (95, 826476), (105, 747764), (114, 688730), (133, 590340), (140, 560823), (190, 413238), (210, 373882), (228, 344365), (266, 295170), (285, 275492), (380, 206619), (399, 196780), (420, 186941), (532, 147585), (570, 137746), (665, 118068), (798, 98390), (1140, 68873), (1330, 59034), (1596, 49195), (1995, 39356), (2660, 29517), (3990, 19678), (7980, 9839)]