2638740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 8467200

約数和(自身を除く): 5828460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 170, 195, 199, 204, 221, 255, 260, 340, 390, 398, 442, 510, 597, 663, 780, 796, 884, 995, 1020, 1105, 1194, 1326, 1990, 2210, 2388, 2587, 2652, 2985, 3315, 3383, 3980, 4420, 5174, 5970, 6630, 6766, 7761, 10149, 10348, 11940, 12935, 13260, 13532, 15522, 16915, 20298, 25870, 31044, 33830, 38805, 40596, 43979, 50745, 51740, 67660, 77610, 87958, 101490, 131937, 155220, 175916, 202980, 219895, 263874, 439790, 527748, 659685, 879580, 1319370, 2638740]

約数ペア:

[(1, 2638740), (2, 1319370), (3, 879580), (4, 659685), (5, 527748), (6, 439790), (10, 263874), (12, 219895), (13, 202980), (15, 175916), (17, 155220), (20, 131937), (26, 101490), (30, 87958), (34, 77610), (39, 67660), (51, 51740), (52, 50745), (60, 43979), (65, 40596), (68, 38805), (78, 33830), (85, 31044), (102, 25870), (130, 20298), (156, 16915), (170, 15522), (195, 13532), (199, 13260), (204, 12935), (221, 11940), (255, 10348), (260, 10149), (340, 7761), (390, 6766), (398, 6630), (442, 5970), (510, 5174), (597, 4420), (663, 3980), (780, 3383), (796, 3315), (884, 2985), (995, 2652), (1020, 2587), (1105, 2388), (1194, 2210), (1326, 1990)]