1680728940

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:395

約数の個数: 288

約数和(自身を含む): 5833900800

約数和(自身を除く): 4153171860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 132, 135, 149, 162, 165, 180, 198, 211, 220, 243, 270, 297, 298, 324, 330, 396, 405, 422, 447, 486, 495, 540, 594, 596, 633, 660, 745, 810, 844, 891, 894, 972, 990, 1055, 1188, 1215, 1266, 1341, 1485, 1490, 1620, 1639, 1782, 1788, 1899, 1980, 2110, 2235, 2321, 2430, 2532, 2673, 2682, 2970, 2980, 3165, 3278, 3564, 3798, 4023, 4220, 4455, 4470, 4642, 4860, 4917, 5346, 5364, 5697, 5940, 6330, 6556, 6705, 6963, 7596, 8046, 8195, 8910, 8940, 9284, 9495, 9834, 10692, 11394, 11605, 12069, 12660, 13365, 13410, 13926, 14751, 16092, 16390, 17091, 17820, 18990, 19668, 20115, 20889, 22788, 23210, 24138, 24585, 26730, 26820, 27852, 28485, 29502, 31439, 32780, 34182, 34815, 36207, 37980, 40230, 41778, 44253, 46420, 48276, 49170, 51273, 53460, 56970, 59004, 60345, 62667, 62878, 68364, 69630, 72414, 73755, 80460, 83556, 85455, 88506, 94317, 98340, 102546, 104445, 113940, 120690, 125334, 125756, 132759, 139260, 144828, 147510, 157195, 170910, 177012, 181035, 188001, 188634, 205092, 208890, 221265, 241380, 250668, 256365, 265518, 282951, 295020, 313335, 314390, 341820, 345829, 362070, 376002, 377268, 398277, 417780, 442530, 471585, 512730, 531036, 564003, 565902, 626670, 628780, 663795, 691658, 724140, 752004, 796554, 848853, 885060, 940005, 943170, 1025460, 1037487, 1128006, 1131804, 1253340, 1327590, 1383316, 1414755, 1593108, 1697706, 1729145, 1880010, 1886340, 1991385, 2074974, 2256012, 2546559, 2655180, 2820015, 2829510, 3112461, 3395412, 3458290, 3760020, 3982770, 4149948, 4244265, 5093118, 5187435, 5640030, 5659020, 6224922, 6916580, 7639677, 7965540, 8488530, 9337383, 10186236, 10374870, 11280060, 12449844, 12732795, 15279354, 15562305, 16977060, 18674766, 20749740, 25465590, 28012149, 30558708, 31124610, 37349532, 38198385, 46686915, 50931180, 56024298, 62249220, 76396770, 84036447, 93373830, 112048596, 140060745, 152793540, 168072894, 186747660, 280121490, 336145788, 420182235, 560242980, 840364470, 1680728940]

約数ペア:

[(1, 1680728940), (2, 840364470), (3, 560242980), (4, 420182235), (5, 336145788), (6, 280121490), (9, 186747660), (10, 168072894), (11, 152793540), (12, 140060745), (15, 112048596), (18, 93373830), (20, 84036447), (22, 76396770), (27, 62249220), (30, 56024298), (33, 50931180), (36, 46686915), (44, 38198385), (45, 37349532), (54, 31124610), (55, 30558708), (60, 28012149), (66, 25465590), (81, 20749740), (90, 18674766), (99, 16977060), (108, 15562305), (110, 15279354), (132, 12732795), (135, 12449844), (149, 11280060), (162, 10374870), (165, 10186236), (180, 9337383), (198, 8488530), (211, 7965540), (220, 7639677), (243, 6916580), (270, 6224922), (297, 5659020), (298, 5640030), (324, 5187435), (330, 5093118), (396, 4244265), (405, 4149948), (422, 3982770), (447, 3760020), (486, 3458290), (495, 3395412), (540, 3112461), (594, 2829510), (596, 2820015), (633, 2655180), (660, 2546559), (745, 2256012), (810, 2074974), (844, 1991385), (891, 1886340), (894, 1880010), (972, 1729145), (990, 1697706), (1055, 1593108), (1188, 1414755), (1215, 1383316), (1266, 1327590), (1341, 1253340), (1485, 1131804), (1490, 1128006), (1620, 1037487), (1639, 1025460), (1782, 943170), (1788, 940005), (1899, 885060), (1980, 848853), (2110, 796554), (2235, 752004), (2321, 724140), (2430, 691658), (2532, 663795), (2673, 628780), (2682, 626670), (2970, 565902), (2980, 564003), (3165, 531036), (3278, 512730), (3564, 471585), (3798, 442530), (4023, 417780), (4220, 398277), (4455, 377268), (4470, 376002), (4642, 362070), (4860, 345829), (4917, 341820), (5346, 314390), (5364, 313335), (5697, 295020), (5940, 282951), (6330, 265518), (6556, 256365), (6705, 250668), (6963, 241380), (7596, 221265), (8046, 208890), (8195, 205092), (8910, 188634), (8940, 188001), (9284, 181035), (9495, 177012), (9834, 170910), (10692, 157195), (11394, 147510), (11605, 144828), (12069, 139260), (12660, 132759), (13365, 125756), (13410, 125334), (13926, 120690), (14751, 113940), (16092, 104445), (16390, 102546), (17091, 98340), (17820, 94317), (18990, 88506), (19668, 85455), (20115, 83556), (20889, 80460), (22788, 73755), (23210, 72414), (24138, 69630), (24585, 68364), (26730, 62878), (26820, 62667), (27852, 60345), (28485, 59004), (29502, 56970), (31439, 53460), (32780, 51273), (34182, 49170), (34815, 48276), (36207, 46420), (37980, 44253), (40230, 41778)]