16818480

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 240

約数和(自身を含む): 66852864

約数和(自身を除く): 50034384

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 47, 48, 56, 60, 63, 70, 71, 72, 80, 84, 90, 94, 105, 112, 120, 126, 140, 141, 142, 144, 168, 180, 188, 210, 213, 235, 240, 252, 280, 282, 284, 315, 329, 336, 355, 360, 376, 420, 423, 426, 470, 497, 504, 560, 564, 568, 630, 639, 658, 705, 710, 720, 752, 840, 846, 852, 940, 987, 994, 1008, 1065, 1128, 1136, 1260, 1278, 1316, 1410, 1420, 1491, 1645, 1680, 1692, 1704, 1880, 1974, 1988, 2115, 2130, 2256, 2485, 2520, 2556, 2632, 2820, 2840, 2961, 2982, 3195, 3290, 3337, 3384, 3408, 3760, 3948, 3976, 4230, 4260, 4473, 4935, 4970, 5040, 5112, 5264, 5640, 5680, 5922, 5964, 6390, 6580, 6674, 6768, 7455, 7896, 7952, 8460, 8520, 8946, 9870, 9940, 10011, 10224, 11280, 11844, 11928, 12780, 13160, 13348, 14805, 14910, 15792, 16685, 16920, 17040, 17892, 19740, 19880, 20022, 22365, 23359, 23688, 23856, 25560, 26320, 26696, 29610, 29820, 30033, 33370, 33840, 35784, 39480, 39760, 40044, 44730, 46718, 47376, 50055, 51120, 53392, 59220, 59640, 60066, 66740, 70077, 71568, 78960, 80088, 89460, 93436, 100110, 116795, 118440, 119280, 120132, 133480, 140154, 150165, 160176, 178920, 186872, 200220, 210231, 233590, 236880, 240264, 266960, 280308, 300330, 350385, 357840, 373744, 400440, 420462, 467180, 480528, 560616, 600660, 700770, 800880, 840924, 934360, 1051155, 1121232, 1201320, 1401540, 1681848, 1868720, 2102310, 2402640, 2803080, 3363696, 4204620, 5606160, 8409240, 16818480]

約数ペア:

[(1, 16818480), (2, 8409240), (3, 5606160), (4, 4204620), (5, 3363696), (6, 2803080), (7, 2402640), (8, 2102310), (9, 1868720), (10, 1681848), (12, 1401540), (14, 1201320), (15, 1121232), (16, 1051155), (18, 934360), (20, 840924), (21, 800880), (24, 700770), (28, 600660), (30, 560616), (35, 480528), (36, 467180), (40, 420462), (42, 400440), (45, 373744), (47, 357840), (48, 350385), (56, 300330), (60, 280308), (63, 266960), (70, 240264), (71, 236880), (72, 233590), (80, 210231), (84, 200220), (90, 186872), (94, 178920), (105, 160176), (112, 150165), (120, 140154), (126, 133480), (140, 120132), (141, 119280), (142, 118440), (144, 116795), (168, 100110), (180, 93436), (188, 89460), (210, 80088), (213, 78960), (235, 71568), (240, 70077), (252, 66740), (280, 60066), (282, 59640), (284, 59220), (315, 53392), (329, 51120), (336, 50055), (355, 47376), (360, 46718), (376, 44730), (420, 40044), (423, 39760), (426, 39480), (470, 35784), (497, 33840), (504, 33370), (560, 30033), (564, 29820), (568, 29610), (630, 26696), (639, 26320), (658, 25560), (705, 23856), (710, 23688), (720, 23359), (752, 22365), (840, 20022), (846, 19880), (852, 19740), (940, 17892), (987, 17040), (994, 16920), (1008, 16685), (1065, 15792), (1128, 14910), (1136, 14805), (1260, 13348), (1278, 13160), (1316, 12780), (1410, 11928), (1420, 11844), (1491, 11280), (1645, 10224), (1680, 10011), (1692, 9940), (1704, 9870), (1880, 8946), (1974, 8520), (1988, 8460), (2115, 7952), (2130, 7896), (2256, 7455), (2485, 6768), (2520, 6674), (2556, 6580), (2632, 6390), (2820, 5964), (2840, 5922), (2961, 5680), (2982, 5640), (3195, 5264), (3290, 5112), (3337, 5040), (3384, 4970), (3408, 4935), (3760, 4473), (3948, 4260), (3976, 4230)]