280520310

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:590

約数の個数: 128

約数和(自身を含む): 801976320

約数和(自身を除く): 521456010

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 37, 42, 70, 74, 79, 105, 111, 158, 185, 210, 222, 237, 259, 370, 395, 457, 474, 518, 553, 555, 777, 790, 914, 1106, 1110, 1185, 1295, 1371, 1554, 1659, 2285, 2370, 2590, 2742, 2765, 2923, 3199, 3318, 3885, 4570, 5530, 5846, 6398, 6855, 7770, 8295, 8769, 9597, 13710, 14615, 15995, 16590, 16909, 17538, 19194, 20461, 29230, 31990, 33818, 36103, 40922, 43845, 47985, 50727, 61383, 72206, 84545, 87690, 95970, 101454, 102305, 108309, 118363, 122766, 169090, 180515, 204610, 216618, 236726, 252721, 253635, 306915, 355089, 361030, 505442, 507270, 541545, 591815, 613830, 710178, 758163, 1083090, 1183630, 1263605, 1335811, 1516326, 1775445, 2527210, 2671622, 3550890, 3790815, 4007433, 6679055, 7581630, 8014866, 9350677, 13358110, 18701354, 20037165, 28052031, 40074330, 46753385, 56104062, 93506770, 140260155, 280520310]

約数ペア:

[(1, 280520310), (2, 140260155), (3, 93506770), (5, 56104062), (6, 46753385), (7, 40074330), (10, 28052031), (14, 20037165), (15, 18701354), (21, 13358110), (30, 9350677), (35, 8014866), (37, 7581630), (42, 6679055), (70, 4007433), (74, 3790815), (79, 3550890), (105, 2671622), (111, 2527210), (158, 1775445), (185, 1516326), (210, 1335811), (222, 1263605), (237, 1183630), (259, 1083090), (370, 758163), (395, 710178), (457, 613830), (474, 591815), (518, 541545), (553, 507270), (555, 505442), (777, 361030), (790, 355089), (914, 306915), (1106, 253635), (1110, 252721), (1185, 236726), (1295, 216618), (1371, 204610), (1554, 180515), (1659, 169090), (2285, 122766), (2370, 118363), (2590, 108309), (2742, 102305), (2765, 101454), (2923, 95970), (3199, 87690), (3318, 84545), (3885, 72206), (4570, 61383), (5530, 50727), (5846, 47985), (6398, 43845), (6855, 40922), (7770, 36103), (8295, 33818), (8769, 31990), (9597, 29230), (13710, 20461), (14615, 19194), (15995, 17538), (16590, 16909)]