1878651960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{701}}^1\times {\mathrm{971}}^1$

素因数の和:1709

約数の個数: 128

約数和(自身を含む): 5895452160

約数和(自身を除く): 4016800200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 701, 920, 971, 1380, 1402, 1942, 2103, 2760, 2804, 2913, 3505, 3884, 4206, 4855, 5608, 5826, 7010, 7768, 8412, 9710, 10515, 11652, 14020, 14565, 16123, 16824, 19420, 21030, 22333, 23304, 28040, 29130, 32246, 38840, 42060, 44666, 48369, 58260, 64492, 66999, 80615, 84120, 89332, 96738, 111665, 116520, 128984, 133998, 161230, 178664, 193476, 223330, 241845, 267996, 322460, 334995, 386952, 446660, 483690, 535992, 644920, 669990, 680671, 893320, 967380, 1339980, 1361342, 1934760, 2042013, 2679960, 2722684, 3403355, 4084026, 5445368, 6806710, 8168052, 10210065, 13613420, 15655433, 16336104, 20420130, 27226840, 31310866, 40840260, 46966299, 62621732, 78277165, 81680520, 93932598, 125243464, 156554330, 187865196, 234831495, 313108660, 375730392, 469662990, 626217320, 939325980, 1878651960]

約数ペア:

[(1, 1878651960), (2, 939325980), (3, 626217320), (4, 469662990), (5, 375730392), (6, 313108660), (8, 234831495), (10, 187865196), (12, 156554330), (15, 125243464), (20, 93932598), (23, 81680520), (24, 78277165), (30, 62621732), (40, 46966299), (46, 40840260), (60, 31310866), (69, 27226840), (92, 20420130), (115, 16336104), (120, 15655433), (138, 13613420), (184, 10210065), (230, 8168052), (276, 6806710), (345, 5445368), (460, 4084026), (552, 3403355), (690, 2722684), (701, 2679960), (920, 2042013), (971, 1934760), (1380, 1361342), (1402, 1339980), (1942, 967380), (2103, 893320), (2760, 680671), (2804, 669990), (2913, 644920), (3505, 535992), (3884, 483690), (4206, 446660), (4855, 386952), (5608, 334995), (5826, 322460), (7010, 267996), (7768, 241845), (8412, 223330), (9710, 193476), (10515, 178664), (11652, 161230), (14020, 133998), (14565, 128984), (16123, 116520), (16824, 111665), (19420, 96738), (21030, 89332), (22333, 84120), (23304, 80615), (28040, 66999), (29130, 64492), (32246, 58260), (38840, 48369), (42060, 44666)]