207458820

素因数分解:

$2^2\times 3^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:84

約数の個数: 240

約数和(自身を含む): 714244608

約数和(自身を除く): 506785788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 31, 34, 36, 45, 51, 54, 60, 62, 68, 81, 85, 90, 93, 102, 108, 124, 135, 153, 155, 162, 170, 180, 186, 204, 243, 255, 270, 279, 306, 310, 324, 340, 372, 405, 459, 465, 486, 510, 527, 540, 558, 612, 620, 729, 765, 810, 837, 918, 930, 972, 1020, 1054, 1116, 1215, 1377, 1395, 1458, 1530, 1581, 1620, 1674, 1836, 1860, 2108, 2187, 2295, 2430, 2511, 2635, 2754, 2790, 2916, 3060, 3162, 3348, 3645, 4131, 4185, 4374, 4590, 4743, 4860, 5022, 5270, 5508, 5580, 6324, 6561, 6885, 7290, 7533, 7905, 8262, 8370, 8748, 9180, 9486, 10044, 10540, 10935, 12393, 12555, 13122, 13770, 14229, 14580, 15066, 15810, 16524, 16740, 18972, 19683, 20655, 21870, 22599, 23715, 24786, 25110, 26244, 27540, 28458, 30132, 31620, 32805, 37179, 37665, 39366, 41310, 42687, 43740, 45198, 47430, 49572, 50220, 56916, 61965, 65610, 67797, 71145, 74358, 75330, 78732, 82620, 85374, 90396, 94860, 98415, 111537, 112995, 123930, 128061, 131220, 135594, 142290, 148716, 150660, 170748, 185895, 196830, 203391, 213435, 223074, 225990, 247860, 256122, 271188, 284580, 334611, 338985, 371790, 384183, 393660, 406782, 426870, 446148, 451980, 512244, 557685, 610173, 640305, 669222, 677970, 743580, 768366, 813564, 853740, 1016955, 1115370, 1152549, 1220346, 1280610, 1338444, 1355940, 1536732, 1673055, 1920915, 2033910, 2230740, 2305098, 2440692, 2561220, 3050865, 3346110, 3457647, 3841830, 4067820, 4610196, 5762745, 6101730, 6692220, 6915294, 7683660, 10372941, 11525490, 12203460, 13830588, 17288235, 20745882, 23050980, 34576470, 41491764, 51864705, 69152940, 103729410, 207458820]

約数ペア:

[(1, 207458820), (2, 103729410), (3, 69152940), (4, 51864705), (5, 41491764), (6, 34576470), (9, 23050980), (10, 20745882), (12, 17288235), (15, 13830588), (17, 12203460), (18, 11525490), (20, 10372941), (27, 7683660), (30, 6915294), (31, 6692220), (34, 6101730), (36, 5762745), (45, 4610196), (51, 4067820), (54, 3841830), (60, 3457647), (62, 3346110), (68, 3050865), (81, 2561220), (85, 2440692), (90, 2305098), (93, 2230740), (102, 2033910), (108, 1920915), (124, 1673055), (135, 1536732), (153, 1355940), (155, 1338444), (162, 1280610), (170, 1220346), (180, 1152549), (186, 1115370), (204, 1016955), (243, 853740), (255, 813564), (270, 768366), (279, 743580), (306, 677970), (310, 669222), (324, 640305), (340, 610173), (372, 557685), (405, 512244), (459, 451980), (465, 446148), (486, 426870), (510, 406782), (527, 393660), (540, 384183), (558, 371790), (612, 338985), (620, 334611), (729, 284580), (765, 271188), (810, 256122), (837, 247860), (918, 225990), (930, 223074), (972, 213435), (1020, 203391), (1054, 196830), (1116, 185895), (1215, 170748), (1377, 150660), (1395, 148716), (1458, 142290), (1530, 135594), (1581, 131220), (1620, 128061), (1674, 123930), (1836, 112995), (1860, 111537), (2108, 98415), (2187, 94860), (2295, 90396), (2430, 85374), (2511, 82620), (2635, 78732), (2754, 75330), (2790, 74358), (2916, 71145), (3060, 67797), (3162, 65610), (3348, 61965), (3645, 56916), (4131, 50220), (4185, 49572), (4374, 47430), (4590, 45198), (4743, 43740), (4860, 42687), (5022, 41310), (5270, 39366), (5508, 37665), (5580, 37179), (6324, 32805), (6561, 31620), (6885, 30132), (7290, 28458), (7533, 27540), (7905, 26244), (8262, 25110), (8370, 24786), (8748, 23715), (9180, 22599), (9486, 21870), (10044, 20655), (10540, 19683), (10935, 18972), (12393, 16740), (12555, 16524), (13122, 15810), (13770, 15066), (14229, 14580)]