1620630400

素因数分解:

$2^7\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^3$

素因数の和:134

約数の個数: 192

約数和(自身を含む): 4380255360

約数和(自身を除く): 2759624960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 31, 32, 34, 40, 50, 62, 64, 68, 80, 85, 100, 124, 128, 136, 155, 160, 170, 200, 248, 272, 310, 320, 340, 400, 425, 496, 527, 544, 620, 640, 680, 775, 800, 850, 961, 992, 1054, 1088, 1240, 1360, 1550, 1600, 1700, 1922, 1984, 2108, 2176, 2480, 2635, 2720, 3100, 3200, 3400, 3844, 3968, 4216, 4805, 4960, 5270, 5440, 6200, 6800, 7688, 8432, 9610, 9920, 10540, 10880, 12400, 13175, 13600, 15376, 16337, 16864, 19220, 19840, 21080, 24025, 24800, 26350, 27200, 29791, 30752, 32674, 33728, 38440, 42160, 48050, 49600, 52700, 54400, 59582, 61504, 65348, 67456, 76880, 81685, 84320, 96100, 99200, 105400, 119164, 123008, 130696, 148955, 153760, 163370, 168640, 192200, 210800, 238328, 261392, 297910, 307520, 326740, 337280, 384400, 408425, 421600, 476656, 506447, 522784, 595820, 615040, 653480, 744775, 768800, 816850, 843200, 953312, 1012894, 1045568, 1191640, 1306960, 1489550, 1537600, 1633700, 1686400, 1906624, 2025788, 2091136, 2383280, 2532235, 2613920, 2979100, 3075200, 3267400, 3813248, 4051576, 4766560, 5064470, 5227840, 5958200, 6534800, 8103152, 9533120, 10128940, 10455680, 11916400, 12661175, 13069600, 16206304, 19066240, 20257880, 23832800, 25322350, 26139200, 32412608, 40515760, 47665600, 50644700, 52278400, 64825216, 81031520, 95331200, 101289400, 162063040, 202578800, 324126080, 405157600, 810315200, 1620630400]

約数ペア:

[(1, 1620630400), (2, 810315200), (4, 405157600), (5, 324126080), (8, 202578800), (10, 162063040), (16, 101289400), (17, 95331200), (20, 81031520), (25, 64825216), (31, 52278400), (32, 50644700), (34, 47665600), (40, 40515760), (50, 32412608), (62, 26139200), (64, 25322350), (68, 23832800), (80, 20257880), (85, 19066240), (100, 16206304), (124, 13069600), (128, 12661175), (136, 11916400), (155, 10455680), (160, 10128940), (170, 9533120), (200, 8103152), (248, 6534800), (272, 5958200), (310, 5227840), (320, 5064470), (340, 4766560), (400, 4051576), (425, 3813248), (496, 3267400), (527, 3075200), (544, 2979100), (620, 2613920), (640, 2532235), (680, 2383280), (775, 2091136), (800, 2025788), (850, 1906624), (961, 1686400), (992, 1633700), (1054, 1537600), (1088, 1489550), (1240, 1306960), (1360, 1191640), (1550, 1045568), (1600, 1012894), (1700, 953312), (1922, 843200), (1984, 816850), (2108, 768800), (2176, 744775), (2480, 653480), (2635, 615040), (2720, 595820), (3100, 522784), (3200, 506447), (3400, 476656), (3844, 421600), (3968, 408425), (4216, 384400), (4805, 337280), (4960, 326740), (5270, 307520), (5440, 297910), (6200, 261392), (6800, 238328), (7688, 210800), (8432, 192200), (9610, 168640), (9920, 163370), (10540, 153760), (10880, 148955), (12400, 130696), (13175, 123008), (13600, 119164), (15376, 105400), (16337, 99200), (16864, 96100), (19220, 84320), (19840, 81685), (21080, 76880), (24025, 67456), (24800, 65348), (26350, 61504), (27200, 59582), (29791, 54400), (30752, 52700), (32674, 49600), (33728, 48050), (38440, 42160)]