25987440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 160

約数和(自身を含む): 87494400

約数和(自身を除く): 61506960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 41, 48, 57, 60, 76, 80, 82, 95, 114, 120, 123, 139, 152, 164, 190, 205, 228, 240, 246, 278, 285, 304, 328, 380, 410, 417, 456, 492, 556, 570, 615, 656, 695, 760, 779, 820, 834, 912, 984, 1112, 1140, 1230, 1390, 1520, 1558, 1640, 1668, 1968, 2085, 2224, 2280, 2337, 2460, 2641, 2780, 3116, 3280, 3336, 3895, 4170, 4560, 4674, 4920, 5282, 5560, 5699, 6232, 6672, 7790, 7923, 8340, 9348, 9840, 10564, 11120, 11398, 11685, 12464, 13205, 15580, 15846, 16680, 17097, 18696, 21128, 22796, 23370, 26410, 28495, 31160, 31692, 33360, 34194, 37392, 39615, 42256, 45592, 46740, 52820, 56990, 62320, 63384, 68388, 79230, 85485, 91184, 93480, 105640, 108281, 113980, 126768, 136776, 158460, 170970, 186960, 211280, 216562, 227960, 273552, 316920, 324843, 341940, 433124, 455920, 541405, 633840, 649686, 683880, 866248, 1082810, 1299372, 1367760, 1624215, 1732496, 2165620, 2598744, 3248430, 4331240, 5197488, 6496860, 8662480, 12993720, 25987440]

約数ペア:

[(1, 25987440), (2, 12993720), (3, 8662480), (4, 6496860), (5, 5197488), (6, 4331240), (8, 3248430), (10, 2598744), (12, 2165620), (15, 1732496), (16, 1624215), (19, 1367760), (20, 1299372), (24, 1082810), (30, 866248), (38, 683880), (40, 649686), (41, 633840), (48, 541405), (57, 455920), (60, 433124), (76, 341940), (80, 324843), (82, 316920), (95, 273552), (114, 227960), (120, 216562), (123, 211280), (139, 186960), (152, 170970), (164, 158460), (190, 136776), (205, 126768), (228, 113980), (240, 108281), (246, 105640), (278, 93480), (285, 91184), (304, 85485), (328, 79230), (380, 68388), (410, 63384), (417, 62320), (456, 56990), (492, 52820), (556, 46740), (570, 45592), (615, 42256), (656, 39615), (695, 37392), (760, 34194), (779, 33360), (820, 31692), (834, 31160), (912, 28495), (984, 26410), (1112, 23370), (1140, 22796), (1230, 21128), (1390, 18696), (1520, 17097), (1558, 16680), (1640, 15846), (1668, 15580), (1968, 13205), (2085, 12464), (2224, 11685), (2280, 11398), (2337, 11120), (2460, 10564), (2641, 9840), (2780, 9348), (3116, 8340), (3280, 7923), (3336, 7790), (3895, 6672), (4170, 6232), (4560, 5699), (4674, 5560), (4920, 5282)]