170781520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23459}}^1$

素因数の和:23492

約数の個数: 80

約数和(自身を含む): 488718720

約数和(自身を除く): 317937200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 23459, 46918, 93836, 117295, 164213, 187672, 234590, 304967, 328426, 375344, 469180, 609934, 656852, 821065, 938360, 1219868, 1313704, 1524835, 1642130, 1876720, 2134769, 2439736, 2627408, 3049670, 3284260, 4269538, 4879472, 6099340, 6568520, 8539076, 10673845, 12198680, 13137040, 17078152, 21347690, 24397360, 34156304, 42695380, 85390760, 170781520]

約数ペア:

[(1, 170781520), (2, 85390760), (4, 42695380), (5, 34156304), (7, 24397360), (8, 21347690), (10, 17078152), (13, 13137040), (14, 12198680), (16, 10673845), (20, 8539076), (26, 6568520), (28, 6099340), (35, 4879472), (40, 4269538), (52, 3284260), (56, 3049670), (65, 2627408), (70, 2439736), (80, 2134769), (91, 1876720), (104, 1642130), (112, 1524835), (130, 1313704), (140, 1219868), (182, 938360), (208, 821065), (260, 656852), (280, 609934), (364, 469180), (455, 375344), (520, 328426), (560, 304967), (728, 234590), (910, 187672), (1040, 164213), (1456, 117295), (1820, 93836), (3640, 46918), (7280, 23459)]