257748660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:307

約数の個数: 216

約数和(自身を含む): 873283320

約数和(自身を除く): 615534660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 37, 39, 45, 52, 60, 65, 74, 78, 90, 111, 117, 130, 148, 156, 169, 180, 185, 195, 222, 229, 234, 260, 333, 338, 370, 390, 444, 458, 468, 481, 507, 555, 585, 666, 676, 687, 740, 780, 845, 916, 962, 1014, 1110, 1145, 1170, 1332, 1374, 1443, 1521, 1665, 1690, 1924, 2028, 2061, 2220, 2290, 2340, 2405, 2535, 2748, 2886, 2977, 3042, 3330, 3380, 3435, 4122, 4329, 4580, 4810, 5070, 5772, 5954, 6084, 6253, 6660, 6870, 7215, 7605, 8244, 8473, 8658, 8931, 9620, 10140, 10305, 11908, 12506, 13740, 14430, 14885, 15210, 16946, 17316, 17862, 18759, 20610, 21645, 25012, 25419, 26793, 28860, 29770, 30420, 31265, 33892, 35724, 37518, 38701, 41220, 42365, 43290, 44655, 50838, 53586, 56277, 59540, 62530, 75036, 76257, 77402, 84730, 86580, 89310, 93795, 101676, 107172, 110149, 112554, 116103, 125060, 127095, 133965, 152514, 154804, 169460, 178620, 187590, 193505, 220298, 225108, 232206, 254190, 267930, 281385, 305028, 330447, 348309, 375180, 381285, 387010, 440596, 464412, 508380, 535860, 550745, 562770, 580515, 660894, 696618, 762570, 774020, 991341, 1101490, 1125540, 1161030, 1321788, 1393236, 1431937, 1525140, 1652235, 1741545, 1982682, 2202980, 2322060, 2863874, 3304470, 3483090, 3965364, 4295811, 4956705, 5727748, 6608940, 6966180, 7159685, 8591622, 9913410, 12887433, 14319370, 17183244, 19826820, 21479055, 25774866, 28638740, 42958110, 51549732, 64437165, 85916220, 128874330, 257748660]

約数ペア:

[(1, 257748660), (2, 128874330), (3, 85916220), (4, 64437165), (5, 51549732), (6, 42958110), (9, 28638740), (10, 25774866), (12, 21479055), (13, 19826820), (15, 17183244), (18, 14319370), (20, 12887433), (26, 9913410), (30, 8591622), (36, 7159685), (37, 6966180), (39, 6608940), (45, 5727748), (52, 4956705), (60, 4295811), (65, 3965364), (74, 3483090), (78, 3304470), (90, 2863874), (111, 2322060), (117, 2202980), (130, 1982682), (148, 1741545), (156, 1652235), (169, 1525140), (180, 1431937), (185, 1393236), (195, 1321788), (222, 1161030), (229, 1125540), (234, 1101490), (260, 991341), (333, 774020), (338, 762570), (370, 696618), (390, 660894), (444, 580515), (458, 562770), (468, 550745), (481, 535860), (507, 508380), (555, 464412), (585, 440596), (666, 387010), (676, 381285), (687, 375180), (740, 348309), (780, 330447), (845, 305028), (916, 281385), (962, 267930), (1014, 254190), (1110, 232206), (1145, 225108), (1170, 220298), (1332, 193505), (1374, 187590), (1443, 178620), (1521, 169460), (1665, 154804), (1690, 152514), (1924, 133965), (2028, 127095), (2061, 125060), (2220, 116103), (2290, 112554), (2340, 110149), (2405, 107172), (2535, 101676), (2748, 93795), (2886, 89310), (2977, 86580), (3042, 84730), (3330, 77402), (3380, 76257), (3435, 75036), (4122, 62530), (4329, 59540), (4580, 56277), (4810, 53586), (5070, 50838), (5772, 44655), (5954, 43290), (6084, 42365), (6253, 41220), (6660, 38701), (6870, 37518), (7215, 35724), (7605, 33892), (8244, 31265), (8473, 30420), (8658, 29770), (8931, 28860), (9620, 26793), (10140, 25419), (10305, 25012), (11908, 21645), (12506, 20610), (13740, 18759), (14430, 17862), (14885, 17316), (15210, 16946)]