201720720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1427}}^1$

素因数の和:1493

約数の個数: 160

約数和(自身を含む): 679956480

約数和(自身を除く): 478235760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 38, 40, 48, 57, 60, 62, 76, 80, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 240, 248, 285, 304, 310, 372, 380, 456, 465, 496, 570, 589, 620, 744, 760, 912, 930, 1140, 1178, 1240, 1427, 1488, 1520, 1767, 1860, 2280, 2356, 2480, 2854, 2945, 3534, 3720, 4281, 4560, 4712, 5708, 5890, 7068, 7135, 7440, 8562, 8835, 9424, 11416, 11780, 14136, 14270, 17124, 17670, 21405, 22832, 23560, 27113, 28272, 28540, 34248, 35340, 42810, 44237, 47120, 54226, 57080, 68496, 70680, 81339, 85620, 88474, 108452, 114160, 132711, 135565, 141360, 162678, 171240, 176948, 216904, 221185, 265422, 271130, 325356, 342480, 353896, 406695, 433808, 442370, 530844, 542260, 650712, 663555, 707792, 813390, 840503, 884740, 1061688, 1084520, 1301424, 1327110, 1626780, 1681006, 1769480, 2123376, 2169040, 2521509, 2654220, 3253560, 3362012, 3538960, 4202515, 5043018, 5308440, 6507120, 6724024, 8405030, 10086036, 10616880, 12607545, 13448048, 16810060, 20172072, 25215090, 33620120, 40344144, 50430180, 67240240, 100860360, 201720720]

約数ペア:

[(1, 201720720), (2, 100860360), (3, 67240240), (4, 50430180), (5, 40344144), (6, 33620120), (8, 25215090), (10, 20172072), (12, 16810060), (15, 13448048), (16, 12607545), (19, 10616880), (20, 10086036), (24, 8405030), (30, 6724024), (31, 6507120), (38, 5308440), (40, 5043018), (48, 4202515), (57, 3538960), (60, 3362012), (62, 3253560), (76, 2654220), (80, 2521509), (93, 2169040), (95, 2123376), (114, 1769480), (120, 1681006), (124, 1626780), (152, 1327110), (155, 1301424), (186, 1084520), (190, 1061688), (228, 884740), (240, 840503), (248, 813390), (285, 707792), (304, 663555), (310, 650712), (372, 542260), (380, 530844), (456, 442370), (465, 433808), (496, 406695), (570, 353896), (589, 342480), (620, 325356), (744, 271130), (760, 265422), (912, 221185), (930, 216904), (1140, 176948), (1178, 171240), (1240, 162678), (1427, 141360), (1488, 135565), (1520, 132711), (1767, 114160), (1860, 108452), (2280, 88474), (2356, 85620), (2480, 81339), (2854, 70680), (2945, 68496), (3534, 57080), (3720, 54226), (4281, 47120), (4560, 44237), (4712, 42810), (5708, 35340), (5890, 34248), (7068, 28540), (7135, 28272), (7440, 27113), (8562, 23560), (8835, 22832), (9424, 21405), (11416, 17670), (11780, 17124), (14136, 14270)]