128688840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:476

約数の個数: 192

約数和(自身を含む): 482227200

約数和(自身を除く): 353538360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 223, 229, 252, 280, 315, 360, 420, 446, 458, 504, 630, 669, 687, 840, 892, 916, 1115, 1145, 1260, 1338, 1374, 1561, 1603, 1784, 1832, 2007, 2061, 2230, 2290, 2520, 2676, 2748, 3122, 3206, 3345, 3435, 4014, 4122, 4460, 4580, 4683, 4809, 5352, 5496, 6244, 6412, 6690, 6870, 7805, 8015, 8028, 8244, 8920, 9160, 9366, 9618, 10035, 10305, 12488, 12824, 13380, 13740, 14049, 14427, 15610, 16030, 16056, 16488, 18732, 19236, 20070, 20610, 23415, 24045, 26760, 27480, 28098, 28854, 31220, 32060, 37464, 38472, 40140, 41220, 46830, 48090, 51067, 56196, 57708, 62440, 64120, 70245, 72135, 80280, 82440, 93660, 96180, 102134, 112392, 115416, 140490, 144270, 153201, 187320, 192360, 204268, 255335, 280980, 288540, 306402, 357469, 408536, 459603, 510670, 561960, 577080, 612804, 714938, 766005, 919206, 1021340, 1072407, 1225608, 1429876, 1532010, 1787345, 1838412, 2042680, 2144814, 2298015, 2859752, 3064020, 3217221, 3574690, 3676824, 4289628, 4596030, 5362035, 6128040, 6434442, 7149380, 8579256, 9192060, 10724070, 12868884, 14298760, 16086105, 18384120, 21448140, 25737768, 32172210, 42896280, 64344420, 128688840]

約数ペア:

[(1, 128688840), (2, 64344420), (3, 42896280), (4, 32172210), (5, 25737768), (6, 21448140), (7, 18384120), (8, 16086105), (9, 14298760), (10, 12868884), (12, 10724070), (14, 9192060), (15, 8579256), (18, 7149380), (20, 6434442), (21, 6128040), (24, 5362035), (28, 4596030), (30, 4289628), (35, 3676824), (36, 3574690), (40, 3217221), (42, 3064020), (45, 2859752), (56, 2298015), (60, 2144814), (63, 2042680), (70, 1838412), (72, 1787345), (84, 1532010), (90, 1429876), (105, 1225608), (120, 1072407), (126, 1021340), (140, 919206), (168, 766005), (180, 714938), (210, 612804), (223, 577080), (229, 561960), (252, 510670), (280, 459603), (315, 408536), (360, 357469), (420, 306402), (446, 288540), (458, 280980), (504, 255335), (630, 204268), (669, 192360), (687, 187320), (840, 153201), (892, 144270), (916, 140490), (1115, 115416), (1145, 112392), (1260, 102134), (1338, 96180), (1374, 93660), (1561, 82440), (1603, 80280), (1784, 72135), (1832, 70245), (2007, 64120), (2061, 62440), (2230, 57708), (2290, 56196), (2520, 51067), (2676, 48090), (2748, 46830), (3122, 41220), (3206, 40140), (3345, 38472), (3435, 37464), (4014, 32060), (4122, 31220), (4460, 28854), (4580, 28098), (4683, 27480), (4809, 26760), (5352, 24045), (5496, 23415), (6244, 20610), (6412, 20070), (6690, 19236), (6870, 18732), (7805, 16488), (8015, 16056), (8028, 16030), (8244, 15610), (8920, 14427), (9160, 14049), (9366, 13740), (9618, 13380), (10035, 12824), (10305, 12488)]