28480620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:164

約数の個数: 192

約数和(自身を含む): 99348480

約数和(自身を除く): 70867860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 43, 57, 60, 70, 76, 83, 84, 86, 95, 105, 114, 129, 133, 140, 166, 172, 190, 210, 215, 228, 249, 258, 266, 285, 301, 332, 380, 399, 415, 420, 430, 498, 516, 532, 570, 581, 602, 645, 665, 798, 817, 830, 860, 903, 996, 1140, 1162, 1204, 1245, 1290, 1330, 1505, 1577, 1596, 1634, 1660, 1743, 1806, 1995, 2324, 2451, 2490, 2580, 2660, 2905, 3010, 3154, 3268, 3486, 3569, 3612, 3990, 4085, 4515, 4731, 4902, 4980, 5719, 5810, 6020, 6308, 6972, 7138, 7885, 7980, 8170, 8715, 9030, 9462, 9804, 10707, 11039, 11438, 11620, 12255, 14276, 15770, 16340, 17157, 17430, 17845, 18060, 18924, 21414, 22078, 22876, 23655, 24510, 24983, 28595, 31540, 33117, 34314, 34860, 35690, 42828, 44156, 47310, 49020, 49966, 53535, 55195, 57190, 66234, 67811, 68628, 71380, 74949, 85785, 94620, 99932, 107070, 110390, 114380, 124915, 132468, 135622, 149898, 165585, 171570, 203433, 214140, 220780, 249830, 271244, 299796, 331170, 339055, 343140, 374745, 406866, 474677, 499660, 662340, 678110, 749490, 813732, 949354, 1017165, 1356220, 1424031, 1498980, 1898708, 2034330, 2373385, 2848062, 4068660, 4746770, 5696124, 7120155, 9493540, 14240310, 28480620]

約数ペア:

[(1, 28480620), (2, 14240310), (3, 9493540), (4, 7120155), (5, 5696124), (6, 4746770), (7, 4068660), (10, 2848062), (12, 2373385), (14, 2034330), (15, 1898708), (19, 1498980), (20, 1424031), (21, 1356220), (28, 1017165), (30, 949354), (35, 813732), (38, 749490), (42, 678110), (43, 662340), (57, 499660), (60, 474677), (70, 406866), (76, 374745), (83, 343140), (84, 339055), (86, 331170), (95, 299796), (105, 271244), (114, 249830), (129, 220780), (133, 214140), (140, 203433), (166, 171570), (172, 165585), (190, 149898), (210, 135622), (215, 132468), (228, 124915), (249, 114380), (258, 110390), (266, 107070), (285, 99932), (301, 94620), (332, 85785), (380, 74949), (399, 71380), (415, 68628), (420, 67811), (430, 66234), (498, 57190), (516, 55195), (532, 53535), (570, 49966), (581, 49020), (602, 47310), (645, 44156), (665, 42828), (798, 35690), (817, 34860), (830, 34314), (860, 33117), (903, 31540), (996, 28595), (1140, 24983), (1162, 24510), (1204, 23655), (1245, 22876), (1290, 22078), (1330, 21414), (1505, 18924), (1577, 18060), (1596, 17845), (1634, 17430), (1660, 17157), (1743, 16340), (1806, 15770), (1995, 14276), (2324, 12255), (2451, 11620), (2490, 11438), (2580, 11039), (2660, 10707), (2905, 9804), (3010, 9462), (3154, 9030), (3268, 8715), (3486, 8170), (3569, 7980), (3612, 7885), (3990, 7138), (4085, 6972), (4515, 6308), (4731, 6020), (4902, 5810), (4980, 5719)]