281666310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:254

約数の個数: 128

約数和(自身を含む): 731566080

約数和(自身を除く): 449899770

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 41, 62, 82, 83, 89, 93, 123, 155, 166, 178, 186, 205, 246, 249, 267, 310, 410, 415, 445, 465, 498, 534, 615, 830, 890, 930, 1230, 1245, 1271, 1335, 2490, 2542, 2573, 2670, 2759, 3403, 3649, 3813, 5146, 5518, 6355, 6806, 7298, 7387, 7626, 7719, 8277, 10209, 10947, 12710, 12865, 13795, 14774, 15438, 16554, 17015, 18245, 19065, 20418, 21894, 22161, 25730, 27590, 34030, 36490, 36935, 38130, 38595, 41385, 44322, 51045, 54735, 73870, 77190, 82770, 102090, 105493, 109470, 110805, 113119, 210986, 221610, 226238, 228997, 302867, 316479, 339357, 457994, 527465, 565595, 605734, 632958, 678714, 686991, 908601, 1054930, 1131190, 1144985, 1373982, 1514335, 1582395, 1696785, 1817202, 2289970, 3028670, 3164790, 3393570, 3434955, 4543005, 6869910, 9086010, 9388877, 18777754, 28166631, 46944385, 56333262, 93888770, 140833155, 281666310]

約数ペア:

[(1, 281666310), (2, 140833155), (3, 93888770), (5, 56333262), (6, 46944385), (10, 28166631), (15, 18777754), (30, 9388877), (31, 9086010), (41, 6869910), (62, 4543005), (82, 3434955), (83, 3393570), (89, 3164790), (93, 3028670), (123, 2289970), (155, 1817202), (166, 1696785), (178, 1582395), (186, 1514335), (205, 1373982), (246, 1144985), (249, 1131190), (267, 1054930), (310, 908601), (410, 686991), (415, 678714), (445, 632958), (465, 605734), (498, 565595), (534, 527465), (615, 457994), (830, 339357), (890, 316479), (930, 302867), (1230, 228997), (1245, 226238), (1271, 221610), (1335, 210986), (2490, 113119), (2542, 110805), (2573, 109470), (2670, 105493), (2759, 102090), (3403, 82770), (3649, 77190), (3813, 73870), (5146, 54735), (5518, 51045), (6355, 44322), (6806, 41385), (7298, 38595), (7387, 38130), (7626, 36935), (7719, 36490), (8277, 34030), (10209, 27590), (10947, 25730), (12710, 22161), (12865, 21894), (13795, 20418), (14774, 19065), (15438, 18245), (16554, 17015)]