641993880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:626

約数の個数: 256

約数和(自身を含む): 2247782400

約数和(自身を除く): 1605788520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 29, 30, 31, 33, 40, 44, 55, 58, 60, 62, 66, 87, 88, 93, 110, 116, 120, 124, 132, 145, 155, 165, 174, 186, 220, 232, 248, 264, 290, 310, 319, 330, 341, 348, 372, 435, 440, 465, 541, 580, 620, 638, 660, 682, 696, 744, 870, 899, 930, 957, 1023, 1082, 1160, 1240, 1276, 1320, 1364, 1595, 1623, 1705, 1740, 1798, 1860, 1914, 2046, 2164, 2552, 2697, 2705, 2728, 3190, 3246, 3410, 3480, 3596, 3720, 3828, 4092, 4328, 4495, 4785, 5115, 5394, 5410, 5951, 6380, 6492, 6820, 7192, 7656, 8115, 8184, 8990, 9570, 9889, 10230, 10788, 10820, 11902, 12760, 12984, 13485, 13640, 15689, 16230, 16771, 17853, 17980, 19140, 19778, 20460, 21576, 21640, 23804, 26970, 29667, 29755, 31378, 32460, 33542, 35706, 35960, 38280, 39556, 40920, 47067, 47608, 49445, 50313, 53940, 59334, 59510, 62756, 64920, 67084, 71412, 78445, 79112, 83855, 89265, 94134, 98890, 100626, 107880, 118668, 119020, 125512, 134168, 142824, 148335, 156890, 167710, 172579, 178530, 184481, 188268, 197780, 201252, 235335, 237336, 238040, 251565, 296670, 313780, 335420, 345158, 357060, 368962, 376536, 395560, 402504, 470670, 486359, 503130, 517737, 553443, 593340, 627560, 670840, 690316, 714120, 737924, 862895, 922405, 941340, 972718, 1006260, 1035474, 1106886, 1186680, 1380632, 1459077, 1475848, 1725790, 1844810, 1882680, 1945436, 2012520, 2070948, 2213772, 2431795, 2588685, 2767215, 2918154, 3451580, 3689620, 3890872, 4141896, 4427544, 4863590, 5177370, 5349949, 5534430, 5836308, 6903160, 7295385, 7379240, 9727180, 10354740, 10699898, 11068860, 11672616, 14590770, 16049847, 19454360, 20709480, 21399796, 22137720, 26749745, 29181540, 32099694, 42799592, 53499490, 58363080, 64199388, 80249235, 106998980, 128398776, 160498470, 213997960, 320996940, 641993880]

約数ペア:

[(1, 641993880), (2, 320996940), (3, 213997960), (4, 160498470), (5, 128398776), (6, 106998980), (8, 80249235), (10, 64199388), (11, 58363080), (12, 53499490), (15, 42799592), (20, 32099694), (22, 29181540), (24, 26749745), (29, 22137720), (30, 21399796), (31, 20709480), (33, 19454360), (40, 16049847), (44, 14590770), (55, 11672616), (58, 11068860), (60, 10699898), (62, 10354740), (66, 9727180), (87, 7379240), (88, 7295385), (93, 6903160), (110, 5836308), (116, 5534430), (120, 5349949), (124, 5177370), (132, 4863590), (145, 4427544), (155, 4141896), (165, 3890872), (174, 3689620), (186, 3451580), (220, 2918154), (232, 2767215), (248, 2588685), (264, 2431795), (290, 2213772), (310, 2070948), (319, 2012520), (330, 1945436), (341, 1882680), (348, 1844810), (372, 1725790), (435, 1475848), (440, 1459077), (465, 1380632), (541, 1186680), (580, 1106886), (620, 1035474), (638, 1006260), (660, 972718), (682, 941340), (696, 922405), (744, 862895), (870, 737924), (899, 714120), (930, 690316), (957, 670840), (1023, 627560), (1082, 593340), (1160, 553443), (1240, 517737), (1276, 503130), (1320, 486359), (1364, 470670), (1595, 402504), (1623, 395560), (1705, 376536), (1740, 368962), (1798, 357060), (1860, 345158), (1914, 335420), (2046, 313780), (2164, 296670), (2552, 251565), (2697, 238040), (2705, 237336), (2728, 235335), (3190, 201252), (3246, 197780), (3410, 188268), (3480, 184481), (3596, 178530), (3720, 172579), (3828, 167710), (4092, 156890), (4328, 148335), (4495, 142824), (4785, 134168), (5115, 125512), (5394, 119020), (5410, 118668), (5951, 107880), (6380, 100626), (6492, 98890), (6820, 94134), (7192, 89265), (7656, 83855), (8115, 79112), (8184, 78445), (8990, 71412), (9570, 67084), (9889, 64920), (10230, 62756), (10788, 59510), (10820, 59334), (11902, 53940), (12760, 50313), (12984, 49445), (13485, 47608), (13640, 47067), (15689, 40920), (16230, 39556), (16771, 38280), (17853, 35960), (17980, 35706), (19140, 33542), (19778, 32460), (20460, 31378), (21576, 29755), (21640, 29667), (23804, 26970)]