81272100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{229}}^1$

素因数の和:279

約数の個数: 216

約数和(自身を含む): 292272960

約数和(自身を除く): 211000860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 60, 65, 70, 75, 78, 84, 91, 100, 105, 130, 140, 150, 156, 169, 175, 182, 195, 210, 229, 260, 273, 300, 325, 338, 350, 364, 390, 420, 455, 458, 507, 525, 546, 650, 676, 687, 700, 780, 845, 910, 916, 975, 1014, 1050, 1092, 1145, 1183, 1300, 1365, 1374, 1603, 1690, 1820, 1950, 2028, 2100, 2275, 2290, 2366, 2535, 2730, 2748, 2977, 3206, 3380, 3435, 3549, 3900, 4225, 4550, 4580, 4732, 4809, 5070, 5460, 5725, 5915, 5954, 6412, 6825, 6870, 7098, 8015, 8450, 8931, 9100, 9618, 10140, 11450, 11830, 11908, 12675, 13650, 13740, 14196, 14885, 16030, 16900, 17175, 17745, 17862, 19236, 20839, 22900, 23660, 24045, 25350, 27300, 29575, 29770, 32060, 34350, 35490, 35724, 38701, 40075, 41678, 44655, 48090, 50700, 59150, 59540, 62517, 68700, 70980, 74425, 77402, 80150, 83356, 88725, 89310, 96180, 104195, 116103, 118300, 120225, 125034, 148850, 154804, 160300, 177450, 178620, 193505, 208390, 223275, 232206, 240450, 250068, 270907, 297700, 312585, 354900, 387010, 416780, 446550, 464412, 480900, 520975, 541814, 580515, 625170, 774020, 812721, 893100, 967525, 1041950, 1083628, 1161030, 1250340, 1354535, 1562925, 1625442, 1935050, 2083900, 2322060, 2709070, 2902575, 3125850, 3250884, 3870100, 4063605, 5418140, 5805150, 6251700, 6772675, 8127210, 11610300, 13545350, 16254420, 20318025, 27090700, 40636050, 81272100]

約数ペア:

[(1, 81272100), (2, 40636050), (3, 27090700), (4, 20318025), (5, 16254420), (6, 13545350), (7, 11610300), (10, 8127210), (12, 6772675), (13, 6251700), (14, 5805150), (15, 5418140), (20, 4063605), (21, 3870100), (25, 3250884), (26, 3125850), (28, 2902575), (30, 2709070), (35, 2322060), (39, 2083900), (42, 1935050), (50, 1625442), (52, 1562925), (60, 1354535), (65, 1250340), (70, 1161030), (75, 1083628), (78, 1041950), (84, 967525), (91, 893100), (100, 812721), (105, 774020), (130, 625170), (140, 580515), (150, 541814), (156, 520975), (169, 480900), (175, 464412), (182, 446550), (195, 416780), (210, 387010), (229, 354900), (260, 312585), (273, 297700), (300, 270907), (325, 250068), (338, 240450), (350, 232206), (364, 223275), (390, 208390), (420, 193505), (455, 178620), (458, 177450), (507, 160300), (525, 154804), (546, 148850), (650, 125034), (676, 120225), (687, 118300), (700, 116103), (780, 104195), (845, 96180), (910, 89310), (916, 88725), (975, 83356), (1014, 80150), (1050, 77402), (1092, 74425), (1145, 70980), (1183, 68700), (1300, 62517), (1365, 59540), (1374, 59150), (1603, 50700), (1690, 48090), (1820, 44655), (1950, 41678), (2028, 40075), (2100, 38701), (2275, 35724), (2290, 35490), (2366, 34350), (2535, 32060), (2730, 29770), (2748, 29575), (2977, 27300), (3206, 25350), (3380, 24045), (3435, 23660), (3549, 22900), (3900, 20839), (4225, 19236), (4550, 17862), (4580, 17745), (4732, 17175), (4809, 16900), (5070, 16030), (5460, 14885), (5725, 14196), (5915, 13740), (5954, 13650), (6412, 12675), (6825, 11908), (6870, 11830), (7098, 11450), (8015, 10140), (8450, 9618), (8931, 9100)]