1620419600

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{7687}}^1$

素因数の和:7753

約数の個数: 120

約数和(自身を含む): 4255584768

約数和(自身を除く): 2635165168

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 31, 34, 40, 50, 62, 68, 80, 85, 100, 124, 136, 155, 170, 200, 248, 272, 310, 340, 400, 425, 496, 527, 620, 680, 775, 850, 1054, 1240, 1360, 1550, 1700, 2108, 2480, 2635, 3100, 3400, 4216, 5270, 6200, 6800, 7687, 8432, 10540, 12400, 13175, 15374, 21080, 26350, 30748, 38435, 42160, 52700, 61496, 76870, 105400, 122992, 130679, 153740, 192175, 210800, 238297, 261358, 307480, 384350, 476594, 522716, 614960, 653395, 768700, 953188, 1045432, 1191485, 1306790, 1537400, 1906376, 2090864, 2382970, 2613580, 3074800, 3266975, 3812752, 4051049, 4765940, 5227160, 5957425, 6533950, 8102098, 9531880, 10454320, 11914850, 13067900, 16204196, 19063760, 20255245, 23829700, 26135800, 32408392, 40510490, 47659400, 52271600, 64816784, 81020980, 95318800, 101276225, 162041960, 202552450, 324083920, 405104900, 810209800, 1620419600]

約数ペア:

[(1, 1620419600), (2, 810209800), (4, 405104900), (5, 324083920), (8, 202552450), (10, 162041960), (16, 101276225), (17, 95318800), (20, 81020980), (25, 64816784), (31, 52271600), (34, 47659400), (40, 40510490), (50, 32408392), (62, 26135800), (68, 23829700), (80, 20255245), (85, 19063760), (100, 16204196), (124, 13067900), (136, 11914850), (155, 10454320), (170, 9531880), (200, 8102098), (248, 6533950), (272, 5957425), (310, 5227160), (340, 4765940), (400, 4051049), (425, 3812752), (496, 3266975), (527, 3074800), (620, 2613580), (680, 2382970), (775, 2090864), (850, 1906376), (1054, 1537400), (1240, 1306790), (1360, 1191485), (1550, 1045432), (1700, 953188), (2108, 768700), (2480, 653395), (2635, 614960), (3100, 522716), (3400, 476594), (4216, 384350), (5270, 307480), (6200, 261358), (6800, 238297), (7687, 210800), (8432, 192175), (10540, 153740), (12400, 130679), (13175, 122992), (15374, 105400), (21080, 76870), (26350, 61496), (30748, 52700), (38435, 42160)]