30640428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:276

約数の個数: 144

約数和(自身を含む): 97843200

約数和(自身を除く): 67202772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 47, 52, 63, 78, 84, 91, 94, 117, 126, 141, 156, 182, 188, 199, 234, 252, 273, 282, 329, 364, 398, 423, 468, 546, 564, 597, 611, 658, 796, 819, 846, 987, 1092, 1194, 1222, 1316, 1393, 1638, 1692, 1791, 1833, 1974, 2388, 2444, 2587, 2786, 2961, 3276, 3582, 3666, 3948, 4179, 4277, 5174, 5499, 5572, 5922, 7164, 7332, 7761, 8358, 8554, 9353, 10348, 10998, 11844, 12537, 12831, 15522, 16716, 17108, 18109, 18706, 21996, 23283, 25074, 25662, 28059, 31044, 36218, 37412, 38493, 46566, 50148, 51324, 54327, 56118, 65471, 72436, 76986, 84177, 93132, 108654, 112236, 121589, 130942, 153972, 162981, 168354, 196413, 217308, 243178, 261884, 325962, 336708, 364767, 392826, 486356, 589239, 651924, 729534, 785652, 851123, 1094301, 1178478, 1459068, 1702246, 2188602, 2356956, 2553369, 3404492, 4377204, 5106738, 7660107, 10213476, 15320214, 30640428]

約数ペア:

[(1, 30640428), (2, 15320214), (3, 10213476), (4, 7660107), (6, 5106738), (7, 4377204), (9, 3404492), (12, 2553369), (13, 2356956), (14, 2188602), (18, 1702246), (21, 1459068), (26, 1178478), (28, 1094301), (36, 851123), (39, 785652), (42, 729534), (47, 651924), (52, 589239), (63, 486356), (78, 392826), (84, 364767), (91, 336708), (94, 325962), (117, 261884), (126, 243178), (141, 217308), (156, 196413), (182, 168354), (188, 162981), (199, 153972), (234, 130942), (252, 121589), (273, 112236), (282, 108654), (329, 93132), (364, 84177), (398, 76986), (423, 72436), (468, 65471), (546, 56118), (564, 54327), (597, 51324), (611, 50148), (658, 46566), (796, 38493), (819, 37412), (846, 36218), (987, 31044), (1092, 28059), (1194, 25662), (1222, 25074), (1316, 23283), (1393, 21996), (1638, 18706), (1692, 18109), (1791, 17108), (1833, 16716), (1974, 15522), (2388, 12831), (2444, 12537), (2587, 11844), (2786, 10998), (2961, 10348), (3276, 9353), (3582, 8554), (3666, 8358), (3948, 7761), (4179, 7332), (4277, 7164), (5174, 5922), (5499, 5572)]