321302800

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{97}}^1$

素因数の和:155

約数の個数: 270

約数和(自身を含む): 982370718

約数和(自身を除く): 661067918

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 49, 50, 52, 56, 65, 70, 80, 91, 97, 98, 100, 104, 112, 130, 140, 169, 175, 182, 194, 196, 200, 208, 245, 260, 280, 325, 338, 350, 364, 388, 392, 400, 455, 485, 490, 520, 560, 637, 650, 676, 679, 700, 728, 776, 784, 845, 910, 970, 980, 1040, 1183, 1225, 1261, 1274, 1300, 1352, 1358, 1400, 1456, 1552, 1690, 1820, 1940, 1960, 2275, 2366, 2425, 2450, 2522, 2548, 2600, 2704, 2716, 2800, 3185, 3380, 3395, 3640, 3880, 3920, 4225, 4550, 4732, 4753, 4850, 4900, 5044, 5096, 5200, 5432, 5915, 6305, 6370, 6760, 6790, 7280, 7760, 8281, 8450, 8827, 9100, 9464, 9506, 9700, 9800, 10088, 10192, 10864, 11830, 12610, 12740, 13520, 13580, 15925, 16393, 16562, 16900, 16975, 17654, 18200, 18928, 19012, 19400, 19600, 20176, 23660, 23765, 25220, 25480, 27160, 29575, 31525, 31850, 32786, 33124, 33800, 33950, 35308, 36400, 38024, 38800, 41405, 44135, 47320, 47530, 50440, 50960, 54320, 59150, 61789, 63050, 63700, 65572, 66248, 67600, 67900, 70616, 76048, 81965, 82810, 88270, 94640, 95060, 100880, 114751, 118300, 118825, 123578, 126100, 127400, 131144, 132496, 135800, 141232, 163930, 165620, 176540, 190120, 207025, 220675, 229502, 236600, 237650, 247156, 252200, 254800, 262288, 271600, 308945, 327860, 331240, 353080, 380240, 409825, 414050, 441350, 459004, 473200, 475300, 494312, 504400, 573755, 617890, 655720, 662480, 706160, 803257, 819650, 828100, 882700, 918008, 950600, 988624, 1147510, 1235780, 1311440, 1544725, 1606514, 1639300, 1656200, 1765400, 1836016, 1901200, 2295020, 2471560, 2868775, 3089450, 3213028, 3278600, 3312400, 3530800, 4016285, 4590040, 4943120, 5737550, 6178900, 6426056, 6557200, 8032570, 9180080, 11475100, 12357800, 12852112, 16065140, 20081425, 22950200, 24715600, 32130280, 40162850, 45900400, 64260560, 80325700, 160651400, 321302800]

約数ペア:

[(1, 321302800), (2, 160651400), (4, 80325700), (5, 64260560), (7, 45900400), (8, 40162850), (10, 32130280), (13, 24715600), (14, 22950200), (16, 20081425), (20, 16065140), (25, 12852112), (26, 12357800), (28, 11475100), (35, 9180080), (40, 8032570), (49, 6557200), (50, 6426056), (52, 6178900), (56, 5737550), (65, 4943120), (70, 4590040), (80, 4016285), (91, 3530800), (97, 3312400), (98, 3278600), (100, 3213028), (104, 3089450), (112, 2868775), (130, 2471560), (140, 2295020), (169, 1901200), (175, 1836016), (182, 1765400), (194, 1656200), (196, 1639300), (200, 1606514), (208, 1544725), (245, 1311440), (260, 1235780), (280, 1147510), (325, 988624), (338, 950600), (350, 918008), (364, 882700), (388, 828100), (392, 819650), (400, 803257), (455, 706160), (485, 662480), (490, 655720), (520, 617890), (560, 573755), (637, 504400), (650, 494312), (676, 475300), (679, 473200), (700, 459004), (728, 441350), (776, 414050), (784, 409825), (845, 380240), (910, 353080), (970, 331240), (980, 327860), (1040, 308945), (1183, 271600), (1225, 262288), (1261, 254800), (1274, 252200), (1300, 247156), (1352, 237650), (1358, 236600), (1400, 229502), (1456, 220675), (1552, 207025), (1690, 190120), (1820, 176540), (1940, 165620), (1960, 163930), (2275, 141232), (2366, 135800), (2425, 132496), (2450, 131144), (2522, 127400), (2548, 126100), (2600, 123578), (2704, 118825), (2716, 118300), (2800, 114751), (3185, 100880), (3380, 95060), (3395, 94640), (3640, 88270), (3880, 82810), (3920, 81965), (4225, 76048), (4550, 70616), (4732, 67900), (4753, 67600), (4850, 66248), (4900, 65572), (5044, 63700), (5096, 63050), (5200, 61789), (5432, 59150), (5915, 54320), (6305, 50960), (6370, 50440), (6760, 47530), (6790, 47320), (7280, 44135), (7760, 41405), (8281, 38800), (8450, 38024), (8827, 36400), (9100, 35308), (9464, 33950), (9506, 33800), (9700, 33124), (9800, 32786), (10088, 31850), (10192, 31525), (10864, 29575), (11830, 27160), (12610, 25480), (12740, 25220), (13520, 23765), (13580, 23660), (15925, 20176), (16393, 19600), (16562, 19400), (16900, 19012), (16975, 18928), (17654, 18200)]