28766760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:112

約数の個数: 256

約数和(自身を含む): 105062400

約数和(自身を除く): 76295640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 30, 31, 33, 37, 38, 40, 44, 55, 57, 60, 62, 66, 74, 76, 88, 93, 95, 110, 111, 114, 120, 124, 132, 148, 152, 155, 165, 185, 186, 190, 209, 220, 222, 228, 248, 264, 285, 296, 310, 330, 341, 370, 372, 380, 407, 418, 440, 444, 456, 465, 555, 570, 589, 620, 627, 660, 682, 703, 740, 744, 760, 814, 836, 888, 930, 1023, 1045, 1110, 1140, 1147, 1178, 1221, 1240, 1254, 1320, 1364, 1406, 1480, 1628, 1672, 1705, 1767, 1860, 2035, 2046, 2090, 2109, 2220, 2280, 2294, 2356, 2442, 2508, 2728, 2812, 2945, 3135, 3256, 3410, 3441, 3515, 3534, 3720, 4070, 4092, 4180, 4218, 4440, 4588, 4712, 4884, 5016, 5115, 5624, 5735, 5890, 6105, 6270, 6479, 6820, 6882, 7030, 7068, 7733, 8140, 8184, 8360, 8436, 8835, 9176, 9768, 10230, 10545, 11470, 11780, 12210, 12540, 12617, 12958, 13640, 13764, 14060, 14136, 15466, 16280, 16872, 17205, 17670, 19437, 20460, 21090, 21793, 22940, 23199, 23560, 24420, 25080, 25234, 25916, 27528, 28120, 30932, 32395, 34410, 35340, 37851, 38665, 38874, 40920, 42180, 43586, 45880, 46398, 48840, 50468, 51832, 61864, 63085, 64790, 65379, 68820, 70680, 75702, 77330, 77748, 84360, 87172, 92796, 97185, 100936, 108965, 115995, 126170, 129580, 130758, 137640, 151404, 154660, 155496, 174344, 185592, 189255, 194370, 217930, 231990, 239723, 252340, 259160, 261516, 302808, 309320, 326895, 378510, 388740, 435860, 463980, 479446, 504680, 523032, 653790, 719169, 757020, 777480, 871720, 927960, 958892, 1198615, 1307580, 1438338, 1514040, 1917784, 2397230, 2615160, 2876676, 3595845, 4794460, 5753352, 7191690, 9588920, 14383380, 28766760]

約数ペア:

[(1, 28766760), (2, 14383380), (3, 9588920), (4, 7191690), (5, 5753352), (6, 4794460), (8, 3595845), (10, 2876676), (11, 2615160), (12, 2397230), (15, 1917784), (19, 1514040), (20, 1438338), (22, 1307580), (24, 1198615), (30, 958892), (31, 927960), (33, 871720), (37, 777480), (38, 757020), (40, 719169), (44, 653790), (55, 523032), (57, 504680), (60, 479446), (62, 463980), (66, 435860), (74, 388740), (76, 378510), (88, 326895), (93, 309320), (95, 302808), (110, 261516), (111, 259160), (114, 252340), (120, 239723), (124, 231990), (132, 217930), (148, 194370), (152, 189255), (155, 185592), (165, 174344), (185, 155496), (186, 154660), (190, 151404), (209, 137640), (220, 130758), (222, 129580), (228, 126170), (248, 115995), (264, 108965), (285, 100936), (296, 97185), (310, 92796), (330, 87172), (341, 84360), (370, 77748), (372, 77330), (380, 75702), (407, 70680), (418, 68820), (440, 65379), (444, 64790), (456, 63085), (465, 61864), (555, 51832), (570, 50468), (589, 48840), (620, 46398), (627, 45880), (660, 43586), (682, 42180), (703, 40920), (740, 38874), (744, 38665), (760, 37851), (814, 35340), (836, 34410), (888, 32395), (930, 30932), (1023, 28120), (1045, 27528), (1110, 25916), (1140, 25234), (1147, 25080), (1178, 24420), (1221, 23560), (1240, 23199), (1254, 22940), (1320, 21793), (1364, 21090), (1406, 20460), (1480, 19437), (1628, 17670), (1672, 17205), (1705, 16872), (1767, 16280), (1860, 15466), (2035, 14136), (2046, 14060), (2090, 13764), (2109, 13640), (2220, 12958), (2280, 12617), (2294, 12540), (2356, 12210), (2442, 11780), (2508, 11470), (2728, 10545), (2812, 10230), (2945, 9768), (3135, 9176), (3256, 8835), (3410, 8436), (3441, 8360), (3515, 8184), (3534, 8140), (3720, 7733), (4070, 7068), (4092, 7030), (4180, 6882), (4218, 6820), (4440, 6479), (4588, 6270), (4712, 6105), (4884, 5890), (5016, 5735), (5115, 5624)]