27971580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:188

約数の個数: 192

約数和(自身を含む): 99348480

約数和(自身を除く): 71376900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 47, 52, 60, 65, 70, 78, 84, 91, 94, 105, 109, 130, 140, 141, 156, 182, 188, 195, 210, 218, 235, 260, 273, 282, 327, 329, 364, 390, 420, 436, 455, 470, 545, 546, 564, 611, 654, 658, 705, 763, 780, 910, 940, 987, 1090, 1092, 1222, 1308, 1316, 1365, 1410, 1417, 1526, 1635, 1645, 1820, 1833, 1974, 2180, 2289, 2444, 2730, 2820, 2834, 3052, 3055, 3270, 3290, 3666, 3815, 3948, 4251, 4277, 4578, 4935, 5123, 5460, 5668, 6110, 6540, 6580, 7085, 7332, 7630, 8502, 8554, 9156, 9165, 9870, 9919, 10246, 11445, 12220, 12831, 14170, 15260, 15369, 17004, 17108, 18330, 19740, 19838, 20492, 21255, 21385, 22890, 25615, 25662, 28340, 29757, 30738, 35861, 36660, 39676, 42510, 42770, 45780, 49595, 51230, 51324, 59514, 61476, 64155, 66599, 71722, 76845, 85020, 85540, 99190, 102460, 107583, 119028, 128310, 133198, 143444, 148785, 153690, 179305, 198380, 199797, 215166, 256620, 266396, 297570, 307380, 332995, 358610, 399594, 430332, 466193, 537915, 595140, 665990, 717220, 799188, 932386, 998985, 1075830, 1331980, 1398579, 1864772, 1997970, 2151660, 2330965, 2797158, 3995940, 4661930, 5594316, 6992895, 9323860, 13985790, 27971580]

約数ペア:

[(1, 27971580), (2, 13985790), (3, 9323860), (4, 6992895), (5, 5594316), (6, 4661930), (7, 3995940), (10, 2797158), (12, 2330965), (13, 2151660), (14, 1997970), (15, 1864772), (20, 1398579), (21, 1331980), (26, 1075830), (28, 998985), (30, 932386), (35, 799188), (39, 717220), (42, 665990), (47, 595140), (52, 537915), (60, 466193), (65, 430332), (70, 399594), (78, 358610), (84, 332995), (91, 307380), (94, 297570), (105, 266396), (109, 256620), (130, 215166), (140, 199797), (141, 198380), (156, 179305), (182, 153690), (188, 148785), (195, 143444), (210, 133198), (218, 128310), (235, 119028), (260, 107583), (273, 102460), (282, 99190), (327, 85540), (329, 85020), (364, 76845), (390, 71722), (420, 66599), (436, 64155), (455, 61476), (470, 59514), (545, 51324), (546, 51230), (564, 49595), (611, 45780), (654, 42770), (658, 42510), (705, 39676), (763, 36660), (780, 35861), (910, 30738), (940, 29757), (987, 28340), (1090, 25662), (1092, 25615), (1222, 22890), (1308, 21385), (1316, 21255), (1365, 20492), (1410, 19838), (1417, 19740), (1526, 18330), (1635, 17108), (1645, 17004), (1820, 15369), (1833, 15260), (1974, 14170), (2180, 12831), (2289, 12220), (2444, 11445), (2730, 10246), (2820, 9919), (2834, 9870), (3052, 9165), (3055, 9156), (3270, 8554), (3290, 8502), (3666, 7630), (3815, 7332), (3948, 7085), (4251, 6580), (4277, 6540), (4578, 6110), (4935, 5668), (5123, 5460)]