251052360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6997}}^1$

素因数の和:7047

約数の個数: 128

約数和(自身を含む): 846478080

約数和(自身を除く): 595425720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1495, 1560, 1794, 2392, 2760, 2990, 3588, 4485, 5980, 6997, 7176, 8970, 11960, 13994, 17940, 20991, 27988, 34985, 35880, 41982, 55976, 69970, 83964, 90961, 104955, 139940, 160931, 167928, 181922, 209910, 272883, 279880, 321862, 363844, 419820, 454805, 482793, 545766, 643724, 727688, 804655, 839640, 909610, 965586, 1091532, 1287448, 1364415, 1609310, 1819220, 1931172, 2092103, 2183064, 2413965, 2728830, 3218620, 3638440, 3862344, 4184206, 4827930, 5457660, 6276309, 6437240, 8368412, 9655860, 10460515, 10915320, 12552618, 16736824, 19311720, 20921030, 25105236, 31381545, 41842060, 50210472, 62763090, 83684120, 125526180, 251052360]

約数ペア:

[(1, 251052360), (2, 125526180), (3, 83684120), (4, 62763090), (5, 50210472), (6, 41842060), (8, 31381545), (10, 25105236), (12, 20921030), (13, 19311720), (15, 16736824), (20, 12552618), (23, 10915320), (24, 10460515), (26, 9655860), (30, 8368412), (39, 6437240), (40, 6276309), (46, 5457660), (52, 4827930), (60, 4184206), (65, 3862344), (69, 3638440), (78, 3218620), (92, 2728830), (104, 2413965), (115, 2183064), (120, 2092103), (130, 1931172), (138, 1819220), (156, 1609310), (184, 1364415), (195, 1287448), (230, 1091532), (260, 965586), (276, 909610), (299, 839640), (312, 804655), (345, 727688), (390, 643724), (460, 545766), (520, 482793), (552, 454805), (598, 419820), (690, 363844), (780, 321862), (897, 279880), (920, 272883), (1196, 209910), (1380, 181922), (1495, 167928), (1560, 160931), (1794, 139940), (2392, 104955), (2760, 90961), (2990, 83964), (3588, 69970), (4485, 55976), (5980, 41982), (6997, 35880), (7176, 34985), (8970, 27988), (11960, 20991), (13994, 17940)]