61845420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:320

約数の個数: 192

約数和(自身を含む): 218566656

約数和(自身を除く): 156721236

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, 130, 140, 141, 156, 182, 188, 195, 210, 235, 241, 260, 273, 282, 329, 364, 390, 420, 455, 470, 482, 546, 564, 611, 658, 705, 723, 780, 910, 940, 964, 987, 1092, 1205, 1222, 1316, 1365, 1410, 1446, 1645, 1687, 1820, 1833, 1974, 2410, 2444, 2730, 2820, 2892, 3055, 3133, 3290, 3374, 3615, 3666, 3948, 4277, 4820, 4935, 5061, 5460, 6110, 6266, 6580, 6748, 7230, 7332, 8435, 8554, 9165, 9399, 9870, 10122, 11327, 12220, 12532, 12831, 14460, 15665, 16870, 17108, 18330, 18798, 19740, 20244, 21385, 21931, 22654, 25305, 25662, 31330, 33740, 33981, 36660, 37596, 42770, 43862, 45308, 46995, 50610, 51324, 56635, 62660, 64155, 65793, 67962, 79289, 85540, 87724, 93990, 101220, 109655, 113270, 128310, 131586, 135924, 147251, 158578, 169905, 187980, 219310, 226540, 237867, 256620, 263172, 294502, 317156, 328965, 339810, 396445, 438620, 441753, 475734, 589004, 657930, 679620, 736255, 792890, 883506, 951468, 1030757, 1189335, 1315860, 1472510, 1585780, 1767012, 2061514, 2208765, 2378670, 2945020, 3092271, 4123028, 4417530, 4757340, 5153785, 6184542, 8835060, 10307570, 12369084, 15461355, 20615140, 30922710, 61845420]

約数ペア:

[(1, 61845420), (2, 30922710), (3, 20615140), (4, 15461355), (5, 12369084), (6, 10307570), (7, 8835060), (10, 6184542), (12, 5153785), (13, 4757340), (14, 4417530), (15, 4123028), (20, 3092271), (21, 2945020), (26, 2378670), (28, 2208765), (30, 2061514), (35, 1767012), (39, 1585780), (42, 1472510), (47, 1315860), (52, 1189335), (60, 1030757), (65, 951468), (70, 883506), (78, 792890), (84, 736255), (91, 679620), (94, 657930), (105, 589004), (130, 475734), (140, 441753), (141, 438620), (156, 396445), (182, 339810), (188, 328965), (195, 317156), (210, 294502), (235, 263172), (241, 256620), (260, 237867), (273, 226540), (282, 219310), (329, 187980), (364, 169905), (390, 158578), (420, 147251), (455, 135924), (470, 131586), (482, 128310), (546, 113270), (564, 109655), (611, 101220), (658, 93990), (705, 87724), (723, 85540), (780, 79289), (910, 67962), (940, 65793), (964, 64155), (987, 62660), (1092, 56635), (1205, 51324), (1222, 50610), (1316, 46995), (1365, 45308), (1410, 43862), (1446, 42770), (1645, 37596), (1687, 36660), (1820, 33981), (1833, 33740), (1974, 31330), (2410, 25662), (2444, 25305), (2730, 22654), (2820, 21931), (2892, 21385), (3055, 20244), (3133, 19740), (3290, 18798), (3374, 18330), (3615, 17108), (3666, 16870), (3948, 15665), (4277, 14460), (4820, 12831), (4935, 12532), (5061, 12220), (5460, 11327), (6110, 10122), (6266, 9870), (6580, 9399), (6748, 9165), (7230, 8554), (7332, 8435)]