28120260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:154

約数の個数: 192

約数和(自身を含む): 97542144

約数和(自身を除く): 69421884

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 41, 42, 46, 60, 69, 70, 71, 82, 84, 92, 105, 115, 123, 138, 140, 142, 161, 164, 205, 210, 213, 230, 246, 276, 284, 287, 322, 345, 355, 410, 420, 426, 460, 483, 492, 497, 574, 615, 644, 690, 710, 805, 820, 852, 861, 943, 966, 994, 1065, 1148, 1230, 1380, 1420, 1435, 1491, 1610, 1633, 1722, 1886, 1932, 1988, 2130, 2415, 2460, 2485, 2829, 2870, 2911, 2982, 3220, 3266, 3444, 3772, 4260, 4305, 4715, 4830, 4899, 4970, 5658, 5740, 5822, 5964, 6532, 6601, 7455, 8165, 8610, 8733, 9430, 9660, 9798, 9940, 11316, 11431, 11644, 13202, 14145, 14555, 14910, 16330, 17220, 17466, 18860, 19596, 19803, 20377, 22862, 24495, 26404, 28290, 29110, 29820, 32660, 33005, 34293, 34932, 39606, 40754, 43665, 45724, 48990, 56580, 57155, 58220, 61131, 66010, 66953, 68586, 79212, 81508, 87330, 97980, 99015, 101885, 114310, 122262, 132020, 133906, 137172, 171465, 174660, 198030, 200859, 203770, 228620, 244524, 267812, 305655, 334765, 342930, 396060, 401718, 407540, 468671, 611310, 669530, 685860, 803436, 937342, 1004295, 1222620, 1339060, 1406013, 1874684, 2008590, 2343355, 2812026, 4017180, 4686710, 5624052, 7030065, 9373420, 14060130, 28120260]

約数ペア:

[(1, 28120260), (2, 14060130), (3, 9373420), (4, 7030065), (5, 5624052), (6, 4686710), (7, 4017180), (10, 2812026), (12, 2343355), (14, 2008590), (15, 1874684), (20, 1406013), (21, 1339060), (23, 1222620), (28, 1004295), (30, 937342), (35, 803436), (41, 685860), (42, 669530), (46, 611310), (60, 468671), (69, 407540), (70, 401718), (71, 396060), (82, 342930), (84, 334765), (92, 305655), (105, 267812), (115, 244524), (123, 228620), (138, 203770), (140, 200859), (142, 198030), (161, 174660), (164, 171465), (205, 137172), (210, 133906), (213, 132020), (230, 122262), (246, 114310), (276, 101885), (284, 99015), (287, 97980), (322, 87330), (345, 81508), (355, 79212), (410, 68586), (420, 66953), (426, 66010), (460, 61131), (483, 58220), (492, 57155), (497, 56580), (574, 48990), (615, 45724), (644, 43665), (690, 40754), (710, 39606), (805, 34932), (820, 34293), (852, 33005), (861, 32660), (943, 29820), (966, 29110), (994, 28290), (1065, 26404), (1148, 24495), (1230, 22862), (1380, 20377), (1420, 19803), (1435, 19596), (1491, 18860), (1610, 17466), (1633, 17220), (1722, 16330), (1886, 14910), (1932, 14555), (1988, 14145), (2130, 13202), (2415, 11644), (2460, 11431), (2485, 11316), (2829, 9940), (2870, 9798), (2911, 9660), (2982, 9430), (3220, 8733), (3266, 8610), (3444, 8165), (3772, 7455), (4260, 6601), (4305, 6532), (4715, 5964), (4830, 5822), (4899, 5740), (4970, 5658)]