648978660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{359}}^1$

素因数の和:479

約数の個数: 216

約数和(自身を含む): 2195968320

約数和(自身を除く): 1546989660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 83, 90, 99, 110, 121, 132, 165, 166, 180, 198, 220, 242, 249, 330, 332, 359, 363, 396, 415, 484, 495, 498, 605, 660, 718, 726, 747, 830, 913, 990, 996, 1077, 1089, 1210, 1245, 1436, 1452, 1494, 1660, 1795, 1815, 1826, 1980, 2154, 2178, 2420, 2490, 2739, 2988, 3231, 3590, 3630, 3652, 3735, 3949, 4308, 4356, 4565, 4980, 5385, 5445, 5478, 6462, 7180, 7260, 7470, 7898, 8217, 9130, 10043, 10770, 10890, 10956, 11847, 12924, 13695, 14940, 15796, 16155, 16434, 18260, 19745, 20086, 21540, 21780, 23694, 27390, 29797, 30129, 32310, 32868, 35541, 39490, 40172, 41085, 43439, 47388, 50215, 54780, 59235, 59594, 60258, 64620, 71082, 78980, 82170, 86878, 89391, 90387, 100430, 118470, 119188, 120516, 130317, 142164, 148985, 150645, 164340, 173756, 177705, 178782, 180774, 200860, 217195, 236940, 260634, 268173, 297970, 301290, 327767, 355410, 357564, 361548, 390951, 434390, 446955, 451935, 521268, 536346, 595940, 602580, 651585, 655534, 710820, 781902, 868780, 893910, 903870, 983301, 1072692, 1303170, 1311068, 1340865, 1563804, 1638835, 1787820, 1807740, 1954755, 1966602, 2606340, 2681730, 2949903, 3277670, 3605437, 3909510, 3933204, 4916505, 5363460, 5899806, 6555340, 7210874, 7819020, 9833010, 10816311, 11799612, 14421748, 14749515, 18027185, 19666020, 21632622, 29499030, 32448933, 36054370, 43265244, 54081555, 58998060, 64897866, 72108740, 108163110, 129795732, 162244665, 216326220, 324489330, 648978660]

約数ペア:

[(1, 648978660), (2, 324489330), (3, 216326220), (4, 162244665), (5, 129795732), (6, 108163110), (9, 72108740), (10, 64897866), (11, 58998060), (12, 54081555), (15, 43265244), (18, 36054370), (20, 32448933), (22, 29499030), (30, 21632622), (33, 19666020), (36, 18027185), (44, 14749515), (45, 14421748), (55, 11799612), (60, 10816311), (66, 9833010), (83, 7819020), (90, 7210874), (99, 6555340), (110, 5899806), (121, 5363460), (132, 4916505), (165, 3933204), (166, 3909510), (180, 3605437), (198, 3277670), (220, 2949903), (242, 2681730), (249, 2606340), (330, 1966602), (332, 1954755), (359, 1807740), (363, 1787820), (396, 1638835), (415, 1563804), (484, 1340865), (495, 1311068), (498, 1303170), (605, 1072692), (660, 983301), (718, 903870), (726, 893910), (747, 868780), (830, 781902), (913, 710820), (990, 655534), (996, 651585), (1077, 602580), (1089, 595940), (1210, 536346), (1245, 521268), (1436, 451935), (1452, 446955), (1494, 434390), (1660, 390951), (1795, 361548), (1815, 357564), (1826, 355410), (1980, 327767), (2154, 301290), (2178, 297970), (2420, 268173), (2490, 260634), (2739, 236940), (2988, 217195), (3231, 200860), (3590, 180774), (3630, 178782), (3652, 177705), (3735, 173756), (3949, 164340), (4308, 150645), (4356, 148985), (4565, 142164), (4980, 130317), (5385, 120516), (5445, 119188), (5478, 118470), (6462, 100430), (7180, 90387), (7260, 89391), (7470, 86878), (7898, 82170), (8217, 78980), (9130, 71082), (10043, 64620), (10770, 60258), (10890, 59594), (10956, 59235), (11847, 54780), (12924, 50215), (13695, 47388), (14940, 43439), (15796, 41085), (16155, 40172), (16434, 39490), (18260, 35541), (19745, 32868), (20086, 32310), (21540, 30129), (21780, 29797), (23694, 27390)]