561199920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{523}}^1$

素因数の和:819

約数の個数: 160

約数和(自身を含む): 1852595712

約数和(自身を除く): 1291395792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 263, 272, 340, 408, 510, 523, 526, 680, 789, 816, 1020, 1046, 1052, 1315, 1360, 1569, 1578, 2040, 2092, 2104, 2615, 2630, 3138, 3156, 3945, 4080, 4184, 4208, 4471, 5230, 5260, 6276, 6312, 7845, 7890, 8368, 8891, 8942, 10460, 10520, 12552, 12624, 13413, 15690, 15780, 17782, 17884, 20920, 21040, 22355, 25104, 26673, 26826, 31380, 31560, 35564, 35768, 41840, 44455, 44710, 53346, 53652, 62760, 63120, 67065, 71128, 71536, 88910, 89420, 106692, 107304, 125520, 133365, 134130, 137549, 142256, 177820, 178840, 213384, 214608, 266730, 268260, 275098, 355640, 357680, 412647, 426768, 533460, 536520, 550196, 687745, 711280, 825294, 1066920, 1073040, 1100392, 1375490, 1650588, 2063235, 2133840, 2200784, 2338333, 2750980, 3301176, 4126470, 4676666, 5501960, 6602352, 7014999, 8252940, 9353332, 11003920, 11691665, 14029998, 16505880, 18706664, 23383330, 28059996, 33011760, 35074995, 37413328, 46766660, 56119992, 70149990, 93533320, 112239984, 140299980, 187066640, 280599960, 561199920]

約数ペア:

[(1, 561199920), (2, 280599960), (3, 187066640), (4, 140299980), (5, 112239984), (6, 93533320), (8, 70149990), (10, 56119992), (12, 46766660), (15, 37413328), (16, 35074995), (17, 33011760), (20, 28059996), (24, 23383330), (30, 18706664), (34, 16505880), (40, 14029998), (48, 11691665), (51, 11003920), (60, 9353332), (68, 8252940), (80, 7014999), (85, 6602352), (102, 5501960), (120, 4676666), (136, 4126470), (170, 3301176), (204, 2750980), (240, 2338333), (255, 2200784), (263, 2133840), (272, 2063235), (340, 1650588), (408, 1375490), (510, 1100392), (523, 1073040), (526, 1066920), (680, 825294), (789, 711280), (816, 687745), (1020, 550196), (1046, 536520), (1052, 533460), (1315, 426768), (1360, 412647), (1569, 357680), (1578, 355640), (2040, 275098), (2092, 268260), (2104, 266730), (2615, 214608), (2630, 213384), (3138, 178840), (3156, 177820), (3945, 142256), (4080, 137549), (4184, 134130), (4208, 133365), (4471, 125520), (5230, 107304), (5260, 106692), (6276, 89420), (6312, 88910), (7845, 71536), (7890, 71128), (8368, 67065), (8891, 63120), (8942, 62760), (10460, 53652), (10520, 53346), (12552, 44710), (12624, 44455), (13413, 41840), (15690, 35768), (15780, 35564), (17782, 31560), (17884, 31380), (20920, 26826), (21040, 26673), (22355, 25104)]