25971960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{631}}^1$

素因数の和:666

約数の個数: 128

約数和(自身を含む): 91008000

約数和(自身を除く): 65036040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 588, 631, 686, 735, 840, 980, 1029, 1176, 1262, 1372, 1470, 1715, 1893, 1960, 2058, 2524, 2744, 2940, 3155, 3430, 3786, 4116, 4417, 5048, 5145, 5880, 6310, 6860, 7572, 8232, 8834, 9465, 10290, 12620, 13251, 13720, 15144, 17668, 18930, 20580, 22085, 25240, 26502, 30919, 35336, 37860, 41160, 44170, 53004, 61838, 66255, 75720, 88340, 92757, 106008, 123676, 132510, 154595, 176680, 185514, 216433, 247352, 265020, 309190, 371028, 432866, 463785, 530040, 618380, 649299, 742056, 865732, 927570, 1082165, 1236760, 1298598, 1731464, 1855140, 2164330, 2597196, 3246495, 3710280, 4328660, 5194392, 6492990, 8657320, 12985980, 25971960]

約数ペア:

[(1, 25971960), (2, 12985980), (3, 8657320), (4, 6492990), (5, 5194392), (6, 4328660), (7, 3710280), (8, 3246495), (10, 2597196), (12, 2164330), (14, 1855140), (15, 1731464), (20, 1298598), (21, 1236760), (24, 1082165), (28, 927570), (30, 865732), (35, 742056), (40, 649299), (42, 618380), (49, 530040), (56, 463785), (60, 432866), (70, 371028), (84, 309190), (98, 265020), (105, 247352), (120, 216433), (140, 185514), (147, 176680), (168, 154595), (196, 132510), (210, 123676), (245, 106008), (280, 92757), (294, 88340), (343, 75720), (392, 66255), (420, 61838), (490, 53004), (588, 44170), (631, 41160), (686, 37860), (735, 35336), (840, 30919), (980, 26502), (1029, 25240), (1176, 22085), (1262, 20580), (1372, 18930), (1470, 17668), (1715, 15144), (1893, 13720), (1960, 13251), (2058, 12620), (2524, 10290), (2744, 9465), (2940, 8834), (3155, 8232), (3430, 7572), (3786, 6860), (4116, 6310), (4417, 5880), (5048, 5145)]