638468400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{683}}^1$

素因数の和:764

約数の個数: 240

約数和(自身を含む): 2208608640

約数和(自身を除く): 1570140240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 25, 30, 38, 40, 41, 48, 50, 57, 60, 75, 76, 80, 82, 95, 100, 114, 120, 123, 150, 152, 164, 190, 200, 205, 228, 240, 246, 285, 300, 304, 328, 380, 400, 410, 456, 475, 492, 570, 600, 615, 656, 683, 760, 779, 820, 912, 950, 984, 1025, 1140, 1200, 1230, 1366, 1425, 1520, 1558, 1640, 1900, 1968, 2049, 2050, 2280, 2337, 2460, 2732, 2850, 3075, 3116, 3280, 3415, 3800, 3895, 4098, 4100, 4560, 4674, 4920, 5464, 5700, 6150, 6232, 6830, 7600, 7790, 8196, 8200, 9348, 9840, 10245, 10928, 11400, 11685, 12300, 12464, 12977, 13660, 15580, 16392, 16400, 17075, 18696, 19475, 20490, 22800, 23370, 24600, 25954, 27320, 28003, 31160, 32784, 34150, 37392, 38931, 38950, 40980, 46740, 49200, 51225, 51908, 54640, 56006, 58425, 62320, 64885, 68300, 77862, 77900, 81960, 84009, 93480, 102450, 103816, 112012, 116850, 129770, 136600, 140015, 155724, 155800, 163920, 168018, 186960, 194655, 204900, 207632, 224024, 233700, 259540, 273200, 280030, 311448, 311600, 324425, 336036, 389310, 409800, 420045, 448048, 467400, 519080, 532057, 560060, 622896, 648850, 672072, 700075, 778620, 819600, 840090, 934800, 973275, 1038160, 1064114, 1120120, 1297700, 1344144, 1400150, 1557240, 1596171, 1680180, 1946550, 2100225, 2128228, 2240240, 2595400, 2660285, 2800300, 3114480, 3192342, 3360360, 3893100, 4200450, 4256456, 5190800, 5320570, 5600600, 6384684, 6720720, 7786200, 7980855, 8400900, 8512912, 10641140, 11201200, 12769368, 13301425, 15572400, 15961710, 16801800, 21282280, 25538736, 26602850, 31923420, 33603600, 39904275, 42564560, 53205700, 63846840, 79808550, 106411400, 127693680, 159617100, 212822800, 319234200, 638468400]

約数ペア:

[(1, 638468400), (2, 319234200), (3, 212822800), (4, 159617100), (5, 127693680), (6, 106411400), (8, 79808550), (10, 63846840), (12, 53205700), (15, 42564560), (16, 39904275), (19, 33603600), (20, 31923420), (24, 26602850), (25, 25538736), (30, 21282280), (38, 16801800), (40, 15961710), (41, 15572400), (48, 13301425), (50, 12769368), (57, 11201200), (60, 10641140), (75, 8512912), (76, 8400900), (80, 7980855), (82, 7786200), (95, 6720720), (100, 6384684), (114, 5600600), (120, 5320570), (123, 5190800), (150, 4256456), (152, 4200450), (164, 3893100), (190, 3360360), (200, 3192342), (205, 3114480), (228, 2800300), (240, 2660285), (246, 2595400), (285, 2240240), (300, 2128228), (304, 2100225), (328, 1946550), (380, 1680180), (400, 1596171), (410, 1557240), (456, 1400150), (475, 1344144), (492, 1297700), (570, 1120120), (600, 1064114), (615, 1038160), (656, 973275), (683, 934800), (760, 840090), (779, 819600), (820, 778620), (912, 700075), (950, 672072), (984, 648850), (1025, 622896), (1140, 560060), (1200, 532057), (1230, 519080), (1366, 467400), (1425, 448048), (1520, 420045), (1558, 409800), (1640, 389310), (1900, 336036), (1968, 324425), (2049, 311600), (2050, 311448), (2280, 280030), (2337, 273200), (2460, 259540), (2732, 233700), (2850, 224024), (3075, 207632), (3116, 204900), (3280, 194655), (3415, 186960), (3800, 168018), (3895, 163920), (4098, 155800), (4100, 155724), (4560, 140015), (4674, 136600), (4920, 129770), (5464, 116850), (5700, 112012), (6150, 103816), (6232, 102450), (6830, 93480), (7600, 84009), (7790, 81960), (8196, 77900), (8200, 77862), (9348, 68300), (9840, 64885), (10245, 62320), (10928, 58425), (11400, 56006), (11685, 54640), (12300, 51908), (12464, 51225), (12977, 49200), (13660, 46740), (15580, 40980), (16392, 38950), (16400, 38931), (17075, 37392), (18696, 34150), (19475, 32784), (20490, 31160), (22800, 28003), (23370, 27320), (24600, 25954)]