2405808280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:521

約数の個数: 128

約数和(自身を含む): 5798200320

約数和(自身を除く): 3392392040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 92, 115, 122, 163, 184, 230, 244, 263, 305, 326, 460, 488, 526, 610, 652, 815, 920, 1052, 1220, 1304, 1315, 1403, 1630, 2104, 2440, 2630, 2806, 3260, 3749, 5260, 5612, 6049, 6520, 7015, 7498, 9943, 10520, 11224, 12098, 14030, 14996, 16043, 18745, 19886, 24196, 28060, 29992, 30245, 32086, 37490, 39772, 42869, 48392, 49715, 56120, 60490, 64172, 74980, 79544, 80215, 85738, 99430, 120980, 128344, 149960, 160430, 171476, 198860, 214345, 228689, 241960, 320860, 342952, 368989, 397720, 428690, 457378, 641720, 737978, 857380, 914756, 985987, 1143445, 1475956, 1714760, 1829512, 1844945, 1971974, 2286890, 2615009, 2951912, 3689890, 3943948, 4573780, 4929935, 5230018, 7379780, 7887896, 9147560, 9859870, 10460036, 13075045, 14759560, 19719740, 20920072, 26150090, 39439480, 52300180, 60145207, 104600360, 120290414, 240580828, 300726035, 481161656, 601452070, 1202904140, 2405808280]

約数ペア:

[(1, 2405808280), (2, 1202904140), (4, 601452070), (5, 481161656), (8, 300726035), (10, 240580828), (20, 120290414), (23, 104600360), (40, 60145207), (46, 52300180), (61, 39439480), (92, 26150090), (115, 20920072), (122, 19719740), (163, 14759560), (184, 13075045), (230, 10460036), (244, 9859870), (263, 9147560), (305, 7887896), (326, 7379780), (460, 5230018), (488, 4929935), (526, 4573780), (610, 3943948), (652, 3689890), (815, 2951912), (920, 2615009), (1052, 2286890), (1220, 1971974), (1304, 1844945), (1315, 1829512), (1403, 1714760), (1630, 1475956), (2104, 1143445), (2440, 985987), (2630, 914756), (2806, 857380), (3260, 737978), (3749, 641720), (5260, 457378), (5612, 428690), (6049, 397720), (6520, 368989), (7015, 342952), (7498, 320860), (9943, 241960), (10520, 228689), (11224, 214345), (12098, 198860), (14030, 171476), (14996, 160430), (16043, 149960), (18745, 128344), (19886, 120980), (24196, 99430), (28060, 85738), (29992, 80215), (30245, 79544), (32086, 74980), (37490, 64172), (39772, 60490), (42869, 56120), (48392, 49715)]