408304680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{25583}}^1$

素因数の和:25623

約数の個数: 128

約数和(自身を含む): 1473638400

約数和(自身を除く): 1065333720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 15960, 25583, 51166, 76749, 102332, 127915, 153498, 179081, 204664, 255830, 306996, 358162, 383745, 486077, 511660, 537243, 613992, 716324, 767490, 895405, 972154, 1023320, 1074486, 1432648, 1458231, 1534980, 1790810, 1944308, 2148972, 2430385, 2686215, 2916462, 3069960, 3402539, 3581620, 3888616, 4297944, 4860770, 5372430, 5832924, 6805078, 7163240, 7291155, 9721540, 10207617, 10744860, 11665848, 13610156, 14582310, 17012695, 19443080, 20415234, 21489720, 27220312, 29164620, 34025390, 40830468, 51038085, 58329240, 68050780, 81660936, 102076170, 136101560, 204152340, 408304680]

約数ペア:

[(1, 408304680), (2, 204152340), (3, 136101560), (4, 102076170), (5, 81660936), (6, 68050780), (7, 58329240), (8, 51038085), (10, 40830468), (12, 34025390), (14, 29164620), (15, 27220312), (19, 21489720), (20, 20415234), (21, 19443080), (24, 17012695), (28, 14582310), (30, 13610156), (35, 11665848), (38, 10744860), (40, 10207617), (42, 9721540), (56, 7291155), (57, 7163240), (60, 6805078), (70, 5832924), (76, 5372430), (84, 4860770), (95, 4297944), (105, 3888616), (114, 3581620), (120, 3402539), (133, 3069960), (140, 2916462), (152, 2686215), (168, 2430385), (190, 2148972), (210, 1944308), (228, 1790810), (266, 1534980), (280, 1458231), (285, 1432648), (380, 1074486), (399, 1023320), (420, 972154), (456, 895405), (532, 767490), (570, 716324), (665, 613992), (760, 537243), (798, 511660), (840, 486077), (1064, 383745), (1140, 358162), (1330, 306996), (1596, 255830), (1995, 204664), (2280, 179081), (2660, 153498), (3192, 127915), (3990, 102332), (5320, 76749), (7980, 51166), (15960, 25583)]