855402390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{311}}^1$

素因数の和:555

約数の個数: 128

約数和(自身を含む): 2339850240

約数和(自身を除く): 1484447850

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 90, 122, 135, 167, 183, 270, 305, 311, 334, 366, 501, 549, 610, 622, 835, 915, 933, 1002, 1098, 1503, 1555, 1647, 1670, 1830, 1866, 2505, 2745, 2799, 3006, 3110, 3294, 4509, 4665, 5010, 5490, 5598, 7515, 8235, 8397, 9018, 9330, 10187, 13995, 15030, 16470, 16794, 18971, 20374, 22545, 27990, 30561, 37942, 41985, 45090, 50935, 51937, 56913, 61122, 83970, 91683, 94855, 101870, 103874, 113826, 152805, 155811, 170739, 183366, 189710, 259685, 275049, 284565, 305610, 311622, 341478, 458415, 467433, 512217, 519370, 550098, 569130, 779055, 853695, 916830, 934866, 1024434, 1375245, 1402299, 1558110, 1707390, 2337165, 2561085, 2750490, 2804598, 3168157, 4674330, 5122170, 6336314, 7011495, 9504471, 14022990, 15840785, 19008942, 28513413, 31681570, 47522355, 57026826, 85540239, 95044710, 142567065, 171080478, 285134130, 427701195, 855402390]

約数ペア:

[(1, 855402390), (2, 427701195), (3, 285134130), (5, 171080478), (6, 142567065), (9, 95044710), (10, 85540239), (15, 57026826), (18, 47522355), (27, 31681570), (30, 28513413), (45, 19008942), (54, 15840785), (61, 14022990), (90, 9504471), (122, 7011495), (135, 6336314), (167, 5122170), (183, 4674330), (270, 3168157), (305, 2804598), (311, 2750490), (334, 2561085), (366, 2337165), (501, 1707390), (549, 1558110), (610, 1402299), (622, 1375245), (835, 1024434), (915, 934866), (933, 916830), (1002, 853695), (1098, 779055), (1503, 569130), (1555, 550098), (1647, 519370), (1670, 512217), (1830, 467433), (1866, 458415), (2505, 341478), (2745, 311622), (2799, 305610), (3006, 284565), (3110, 275049), (3294, 259685), (4509, 189710), (4665, 183366), (5010, 170739), (5490, 155811), (5598, 152805), (7515, 113826), (8235, 103874), (8397, 101870), (9018, 94855), (9330, 91683), (10187, 83970), (13995, 61122), (15030, 56913), (16470, 51937), (16794, 50935), (18971, 45090), (20374, 41985), (22545, 37942), (27990, 30561)]