13780760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 36936000

約数和(自身を除く): 23155240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 79, 89, 98, 140, 158, 178, 196, 245, 280, 316, 356, 392, 395, 445, 490, 553, 623, 632, 712, 790, 890, 980, 1106, 1246, 1580, 1780, 1960, 2212, 2492, 2765, 3115, 3160, 3560, 3871, 4361, 4424, 4984, 5530, 6230, 7031, 7742, 8722, 11060, 12460, 14062, 15484, 17444, 19355, 21805, 22120, 24920, 28124, 30968, 34888, 35155, 38710, 43610, 49217, 56248, 70310, 77420, 87220, 98434, 140620, 154840, 174440, 196868, 246085, 281240, 344519, 393736, 492170, 689038, 984340, 1378076, 1722595, 1968680, 2756152, 3445190, 6890380, 13780760]

約数ペア:

[(1, 13780760), (2, 6890380), (4, 3445190), (5, 2756152), (7, 1968680), (8, 1722595), (10, 1378076), (14, 984340), (20, 689038), (28, 492170), (35, 393736), (40, 344519), (49, 281240), (56, 246085), (70, 196868), (79, 174440), (89, 154840), (98, 140620), (140, 98434), (158, 87220), (178, 77420), (196, 70310), (245, 56248), (280, 49217), (316, 43610), (356, 38710), (392, 35155), (395, 34888), (445, 30968), (490, 28124), (553, 24920), (623, 22120), (632, 21805), (712, 19355), (790, 17444), (890, 15484), (980, 14062), (1106, 12460), (1246, 11060), (1580, 8722), (1780, 7742), (1960, 7031), (2212, 6230), (2492, 5530), (2765, 4984), (3115, 4424), (3160, 4361), (3560, 3871)]