320963370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1321}}^1$

素因数の和:1440

約数の個数: 128

約数和(自身を含む): 959454720

約数和(自身を除く): 638491350

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 89, 91, 105, 130, 178, 182, 195, 210, 267, 273, 390, 445, 455, 534, 546, 623, 890, 910, 1157, 1246, 1321, 1335, 1365, 1869, 2314, 2642, 2670, 2730, 3115, 3471, 3738, 3963, 5785, 6230, 6605, 6942, 7926, 8099, 9247, 9345, 11570, 13210, 16198, 17173, 17355, 18494, 18690, 19815, 24297, 27741, 34346, 34710, 39630, 40495, 46235, 48594, 51519, 55482, 80990, 85865, 92470, 103038, 117569, 120211, 121485, 138705, 171730, 235138, 240422, 242970, 257595, 277410, 352707, 360633, 515190, 587845, 601055, 705414, 721266, 822983, 1175690, 1202110, 1528397, 1645966, 1763535, 1803165, 2468949, 3056794, 3527070, 3606330, 4114915, 4585191, 4937898, 7641985, 8229830, 9170382, 10698779, 12344745, 15283970, 21397558, 22925955, 24689490, 32096337, 45851910, 53493895, 64192674, 106987790, 160481685, 320963370]

約数ペア:

[(1, 320963370), (2, 160481685), (3, 106987790), (5, 64192674), (6, 53493895), (7, 45851910), (10, 32096337), (13, 24689490), (14, 22925955), (15, 21397558), (21, 15283970), (26, 12344745), (30, 10698779), (35, 9170382), (39, 8229830), (42, 7641985), (65, 4937898), (70, 4585191), (78, 4114915), (89, 3606330), (91, 3527070), (105, 3056794), (130, 2468949), (178, 1803165), (182, 1763535), (195, 1645966), (210, 1528397), (267, 1202110), (273, 1175690), (390, 822983), (445, 721266), (455, 705414), (534, 601055), (546, 587845), (623, 515190), (890, 360633), (910, 352707), (1157, 277410), (1246, 257595), (1321, 242970), (1335, 240422), (1365, 235138), (1869, 171730), (2314, 138705), (2642, 121485), (2670, 120211), (2730, 117569), (3115, 103038), (3471, 92470), (3738, 85865), (3963, 80990), (5785, 55482), (6230, 51519), (6605, 48594), (6942, 46235), (7926, 40495), (8099, 39630), (9247, 34710), (9345, 34346), (11570, 27741), (13210, 24297), (16198, 19815), (17173, 18690), (17355, 18494)]