281567460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4049}}^1$

素因数の和:4141

約数の個数: 96

約数和(自身を含む): 843696000

約数和(自身を除く): 562128540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 61, 76, 95, 114, 122, 183, 190, 228, 244, 285, 305, 366, 380, 570, 610, 732, 915, 1140, 1159, 1220, 1830, 2318, 3477, 3660, 4049, 4636, 5795, 6954, 8098, 11590, 12147, 13908, 16196, 17385, 20245, 23180, 24294, 34770, 40490, 48588, 60735, 69540, 76931, 80980, 121470, 153862, 230793, 242940, 246989, 307724, 384655, 461586, 493978, 740967, 769310, 923172, 987956, 1153965, 1234945, 1481934, 1538620, 2307930, 2469890, 2963868, 3704835, 4615860, 4692791, 4939780, 7409670, 9385582, 14078373, 14819340, 18771164, 23463955, 28156746, 46927910, 56313492, 70391865, 93855820, 140783730, 281567460]

約数ペア:

[(1, 281567460), (2, 140783730), (3, 93855820), (4, 70391865), (5, 56313492), (6, 46927910), (10, 28156746), (12, 23463955), (15, 18771164), (19, 14819340), (20, 14078373), (30, 9385582), (38, 7409670), (57, 4939780), (60, 4692791), (61, 4615860), (76, 3704835), (95, 2963868), (114, 2469890), (122, 2307930), (183, 1538620), (190, 1481934), (228, 1234945), (244, 1153965), (285, 987956), (305, 923172), (366, 769310), (380, 740967), (570, 493978), (610, 461586), (732, 384655), (915, 307724), (1140, 246989), (1159, 242940), (1220, 230793), (1830, 153862), (2318, 121470), (3477, 80980), (3660, 76931), (4049, 69540), (4636, 60735), (5795, 48588), (6954, 40490), (8098, 34770), (11590, 24294), (12147, 23180), (13908, 20245), (16196, 17385)]