2120400

素因数分解:

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

素因数の和:74

約数の個数: 180

約数和(自身を含む): 7995520

約数和(自身を除く): 5875120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 30, 31, 36, 38, 40, 45, 48, 50, 57, 60, 62, 72, 75, 76, 80, 90, 93, 95, 100, 114, 120, 124, 144, 150, 152, 155, 171, 180, 186, 190, 200, 225, 228, 240, 248, 279, 285, 300, 304, 310, 342, 360, 372, 380, 400, 450, 456, 465, 475, 496, 558, 570, 589, 600, 620, 684, 720, 744, 760, 775, 855, 900, 912, 930, 950, 1116, 1140, 1178, 1200, 1240, 1368, 1395, 1425, 1488, 1520, 1550, 1710, 1767, 1800, 1860, 1900, 2232, 2280, 2325, 2356, 2480, 2736, 2790, 2850, 2945, 3100, 3420, 3534, 3600, 3720, 3800, 4275, 4464, 4560, 4650, 4712, 5301, 5580, 5700, 5890, 6200, 6840, 6975, 7068, 7440, 7600, 8550, 8835, 9300, 9424, 10602, 11160, 11400, 11780, 12400, 13680, 13950, 14136, 14725, 17100, 17670, 18600, 21204, 22320, 22800, 23560, 26505, 27900, 28272, 29450, 34200, 35340, 37200, 42408, 44175, 47120, 53010, 55800, 58900, 68400, 70680, 84816, 88350, 106020, 111600, 117800, 132525, 141360, 176700, 212040, 235600, 265050, 353400, 424080, 530100, 706800, 1060200, 2120400]

約数ペア:

[(1, 2120400), (2, 1060200), (3, 706800), (4, 530100), (5, 424080), (6, 353400), (8, 265050), (9, 235600), (10, 212040), (12, 176700), (15, 141360), (16, 132525), (18, 117800), (19, 111600), (20, 106020), (24, 88350), (25, 84816), (30, 70680), (31, 68400), (36, 58900), (38, 55800), (40, 53010), (45, 47120), (48, 44175), (50, 42408), (57, 37200), (60, 35340), (62, 34200), (72, 29450), (75, 28272), (76, 27900), (80, 26505), (90, 23560), (93, 22800), (95, 22320), (100, 21204), (114, 18600), (120, 17670), (124, 17100), (144, 14725), (150, 14136), (152, 13950), (155, 13680), (171, 12400), (180, 11780), (186, 11400), (190, 11160), (200, 10602), (225, 9424), (228, 9300), (240, 8835), (248, 8550), (279, 7600), (285, 7440), (300, 7068), (304, 6975), (310, 6840), (342, 6200), (360, 5890), (372, 5700), (380, 5580), (400, 5301), (450, 4712), (456, 4650), (465, 4560), (475, 4464), (496, 4275), (558, 3800), (570, 3720), (589, 3600), (600, 3534), (620, 3420), (684, 3100), (720, 2945), (744, 2850), (760, 2790), (775, 2736), (855, 2480), (900, 2356), (912, 2325), (930, 2280), (950, 2232), (1116, 1900), (1140, 1860), (1178, 1800), (1200, 1767), (1240, 1710), (1368, 1550), (1395, 1520), (1425, 1488)]