27497820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 91929600

約数和(自身を除く): 64431780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 49, 60, 70, 84, 94, 98, 105, 140, 141, 147, 188, 196, 199, 210, 235, 245, 282, 294, 329, 398, 420, 470, 490, 564, 588, 597, 658, 705, 735, 796, 940, 980, 987, 995, 1194, 1316, 1393, 1410, 1470, 1645, 1974, 1990, 2303, 2388, 2786, 2820, 2940, 2985, 3290, 3948, 3980, 4179, 4606, 4935, 5572, 5970, 6580, 6909, 6965, 8358, 9212, 9353, 9751, 9870, 11515, 11940, 13818, 13930, 16716, 18706, 19502, 19740, 20895, 23030, 27636, 27860, 28059, 29253, 34545, 37412, 39004, 41790, 46060, 46765, 48755, 56118, 58506, 65471, 69090, 83580, 93530, 97510, 112236, 117012, 130942, 138180, 140295, 146265, 187060, 195020, 196413, 261884, 280590, 292530, 327355, 392826, 458297, 561180, 585060, 654710, 785652, 916594, 982065, 1309420, 1374891, 1833188, 1964130, 2291485, 2749782, 3928260, 4582970, 5499564, 6874455, 9165940, 13748910, 27497820]

約数ペア:

[(1, 27497820), (2, 13748910), (3, 9165940), (4, 6874455), (5, 5499564), (6, 4582970), (7, 3928260), (10, 2749782), (12, 2291485), (14, 1964130), (15, 1833188), (20, 1374891), (21, 1309420), (28, 982065), (30, 916594), (35, 785652), (42, 654710), (47, 585060), (49, 561180), (60, 458297), (70, 392826), (84, 327355), (94, 292530), (98, 280590), (105, 261884), (140, 196413), (141, 195020), (147, 187060), (188, 146265), (196, 140295), (199, 138180), (210, 130942), (235, 117012), (245, 112236), (282, 97510), (294, 93530), (329, 83580), (398, 69090), (420, 65471), (470, 58506), (490, 56118), (564, 48755), (588, 46765), (597, 46060), (658, 41790), (705, 39004), (735, 37412), (796, 34545), (940, 29253), (980, 28059), (987, 27860), (995, 27636), (1194, 23030), (1316, 20895), (1393, 19740), (1410, 19502), (1470, 18706), (1645, 16716), (1974, 13930), (1990, 13818), (2303, 11940), (2388, 11515), (2786, 9870), (2820, 9751), (2940, 9353), (2985, 9212), (3290, 8358), (3948, 6965), (3980, 6909), (4179, 6580), (4606, 5970), (4935, 5572)]