15683220

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{461}}^1$

素因数の和:492

約数の個数: 144

約数和(自身を含む): 56504448

約数和(自身を除く): 40821228

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 461, 486, 540, 567, 630, 756, 810, 922, 945, 972, 1134, 1215, 1260, 1383, 1620, 1701, 1844, 1890, 2268, 2305, 2430, 2766, 2835, 3227, 3402, 3780, 4149, 4610, 4860, 5532, 5670, 6454, 6804, 6915, 8298, 8505, 9220, 9681, 11340, 12447, 12908, 13830, 16135, 16596, 17010, 19362, 20745, 24894, 27660, 29043, 32270, 34020, 37341, 38724, 41490, 48405, 49788, 58086, 62235, 64540, 74682, 82980, 87129, 96810, 112023, 116172, 124470, 145215, 149364, 174258, 186705, 193620, 224046, 248940, 261387, 290430, 348516, 373410, 435645, 448092, 522774, 560115, 580860, 746820, 784161, 871290, 1045548, 1120230, 1306935, 1568322, 1742580, 2240460, 2613870, 3136644, 3920805, 5227740, 7841610, 15683220]

約数ペア:

[(1, 15683220), (2, 7841610), (3, 5227740), (4, 3920805), (5, 3136644), (6, 2613870), (7, 2240460), (9, 1742580), (10, 1568322), (12, 1306935), (14, 1120230), (15, 1045548), (18, 871290), (20, 784161), (21, 746820), (27, 580860), (28, 560115), (30, 522774), (35, 448092), (36, 435645), (42, 373410), (45, 348516), (54, 290430), (60, 261387), (63, 248940), (70, 224046), (81, 193620), (84, 186705), (90, 174258), (105, 149364), (108, 145215), (126, 124470), (135, 116172), (140, 112023), (162, 96810), (180, 87129), (189, 82980), (210, 74682), (243, 64540), (252, 62235), (270, 58086), (315, 49788), (324, 48405), (378, 41490), (405, 38724), (420, 37341), (461, 34020), (486, 32270), (540, 29043), (567, 27660), (630, 24894), (756, 20745), (810, 19362), (922, 17010), (945, 16596), (972, 16135), (1134, 13830), (1215, 12908), (1260, 12447), (1383, 11340), (1620, 9681), (1701, 9220), (1844, 8505), (1890, 8298), (2268, 6915), (2305, 6804), (2430, 6454), (2766, 5670), (2835, 5532), (3227, 4860), (3402, 4610), (3780, 4149)]