1640445600

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1297}}^1$

素因数の和:1368

約数の個数: 288

約数和(自身を含む): 5840626176

約数和(自身を除く): 4200180576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 31, 32, 34, 40, 48, 50, 51, 60, 62, 68, 75, 80, 85, 93, 96, 100, 102, 120, 124, 136, 150, 155, 160, 170, 186, 200, 204, 240, 248, 255, 272, 300, 310, 340, 372, 400, 408, 425, 465, 480, 496, 510, 527, 544, 600, 620, 680, 744, 775, 800, 816, 850, 930, 992, 1020, 1054, 1200, 1240, 1275, 1297, 1360, 1488, 1550, 1581, 1632, 1700, 1860, 2040, 2108, 2325, 2400, 2480, 2550, 2594, 2635, 2720, 2976, 3100, 3162, 3400, 3720, 3891, 4080, 4216, 4650, 4960, 5100, 5188, 5270, 6200, 6324, 6485, 6800, 7440, 7782, 7905, 8160, 8432, 9300, 10200, 10376, 10540, 12400, 12648, 12970, 13175, 13600, 14880, 15564, 15810, 16864, 18600, 19455, 20400, 20752, 21080, 22049, 24800, 25296, 25940, 26350, 31128, 31620, 32425, 37200, 38910, 39525, 40207, 40800, 41504, 42160, 44098, 50592, 51880, 52700, 62256, 63240, 64850, 66147, 74400, 77820, 79050, 80414, 84320, 88196, 97275, 103760, 105400, 110245, 120621, 124512, 126480, 129700, 132294, 155640, 158100, 160828, 176392, 194550, 201035, 207520, 210800, 220490, 241242, 252960, 259400, 264588, 311280, 316200, 321656, 330735, 352784, 389100, 402070, 421600, 440980, 482484, 518800, 529176, 551225, 603105, 622560, 632400, 643312, 661470, 683519, 705568, 778200, 804140, 881960, 964968, 1005175, 1037600, 1058352, 1102450, 1206210, 1264800, 1286624, 1322940, 1367038, 1556400, 1608280, 1653675, 1763920, 1929936, 2010350, 2050557, 2116704, 2204900, 2412420, 2645880, 2734076, 3015525, 3112800, 3216560, 3307350, 3417595, 3527840, 3859872, 4020700, 4101114, 4409800, 4824840, 5291760, 5468152, 6031050, 6433120, 6614700, 6835190, 8041400, 8202228, 8819600, 9649680, 10252785, 10583520, 10936304, 12062100, 13229400, 13670380, 16082800, 16404456, 17087975, 17639200, 19299360, 20505570, 21872608, 24124200, 26458800, 27340760, 32165600, 32808912, 34175950, 41011140, 48248400, 51263925, 52917600, 54681520, 65617824, 68351900, 82022280, 96496800, 102527850, 109363040, 136703800, 164044560, 205055700, 273407600, 328089120, 410111400, 546815200, 820222800, 1640445600]

約数ペア:

[(1, 1640445600), (2, 820222800), (3, 546815200), (4, 410111400), (5, 328089120), (6, 273407600), (8, 205055700), (10, 164044560), (12, 136703800), (15, 109363040), (16, 102527850), (17, 96496800), (20, 82022280), (24, 68351900), (25, 65617824), (30, 54681520), (31, 52917600), (32, 51263925), (34, 48248400), (40, 41011140), (48, 34175950), (50, 32808912), (51, 32165600), (60, 27340760), (62, 26458800), (68, 24124200), (75, 21872608), (80, 20505570), (85, 19299360), (93, 17639200), (96, 17087975), (100, 16404456), (102, 16082800), (120, 13670380), (124, 13229400), (136, 12062100), (150, 10936304), (155, 10583520), (160, 10252785), (170, 9649680), (186, 8819600), (200, 8202228), (204, 8041400), (240, 6835190), (248, 6614700), (255, 6433120), (272, 6031050), (300, 5468152), (310, 5291760), (340, 4824840), (372, 4409800), (400, 4101114), (408, 4020700), (425, 3859872), (465, 3527840), (480, 3417595), (496, 3307350), (510, 3216560), (527, 3112800), (544, 3015525), (600, 2734076), (620, 2645880), (680, 2412420), (744, 2204900), (775, 2116704), (800, 2050557), (816, 2010350), (850, 1929936), (930, 1763920), (992, 1653675), (1020, 1608280), (1054, 1556400), (1200, 1367038), (1240, 1322940), (1275, 1286624), (1297, 1264800), (1360, 1206210), (1488, 1102450), (1550, 1058352), (1581, 1037600), (1632, 1005175), (1700, 964968), (1860, 881960), (2040, 804140), (2108, 778200), (2325, 705568), (2400, 683519), (2480, 661470), (2550, 643312), (2594, 632400), (2635, 622560), (2720, 603105), (2976, 551225), (3100, 529176), (3162, 518800), (3400, 482484), (3720, 440980), (3891, 421600), (4080, 402070), (4216, 389100), (4650, 352784), (4960, 330735), (5100, 321656), (5188, 316200), (5270, 311280), (6200, 264588), (6324, 259400), (6485, 252960), (6800, 241242), (7440, 220490), (7782, 210800), (7905, 207520), (8160, 201035), (8432, 194550), (9300, 176392), (10200, 160828), (10376, 158100), (10540, 155640), (12400, 132294), (12648, 129700), (12970, 126480), (13175, 124512), (13600, 120621), (14880, 110245), (15564, 105400), (15810, 103760), (16864, 97275), (18600, 88196), (19455, 84320), (20400, 80414), (20752, 79050), (21080, 77820), (22049, 74400), (24800, 66147), (25296, 64850), (25940, 63240), (26350, 62256), (31128, 52700), (31620, 51880), (32425, 50592), (37200, 44098), (38910, 42160), (39525, 41504), (40207, 40800)]