217616520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4021}}^1$

素因数の和:4087

約数の個数: 128

約数和(自身を含む): 729751680

約数和(自身を除く): 512135160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 41, 44, 55, 60, 66, 82, 88, 110, 120, 123, 132, 164, 165, 205, 220, 246, 264, 328, 330, 410, 440, 451, 492, 615, 660, 820, 902, 984, 1230, 1320, 1353, 1640, 1804, 2255, 2460, 2706, 3608, 4021, 4510, 4920, 5412, 6765, 8042, 9020, 10824, 12063, 13530, 16084, 18040, 20105, 24126, 27060, 32168, 40210, 44231, 48252, 54120, 60315, 80420, 88462, 96504, 120630, 132693, 160840, 164861, 176924, 221155, 241260, 265386, 329722, 353848, 442310, 482520, 494583, 530772, 659444, 663465, 824305, 884620, 989166, 1061544, 1318888, 1326930, 1648610, 1769240, 1813471, 1978332, 2472915, 2653860, 3297220, 3626942, 3956664, 4945830, 5307720, 5440413, 6594440, 7253884, 9067355, 9891660, 10880826, 14507768, 18134710, 19783320, 21761652, 27202065, 36269420, 43523304, 54404130, 72538840, 108808260, 217616520]

約数ペア:

[(1, 217616520), (2, 108808260), (3, 72538840), (4, 54404130), (5, 43523304), (6, 36269420), (8, 27202065), (10, 21761652), (11, 19783320), (12, 18134710), (15, 14507768), (20, 10880826), (22, 9891660), (24, 9067355), (30, 7253884), (33, 6594440), (40, 5440413), (41, 5307720), (44, 4945830), (55, 3956664), (60, 3626942), (66, 3297220), (82, 2653860), (88, 2472915), (110, 1978332), (120, 1813471), (123, 1769240), (132, 1648610), (164, 1326930), (165, 1318888), (205, 1061544), (220, 989166), (246, 884620), (264, 824305), (328, 663465), (330, 659444), (410, 530772), (440, 494583), (451, 482520), (492, 442310), (615, 353848), (660, 329722), (820, 265386), (902, 241260), (984, 221155), (1230, 176924), (1320, 164861), (1353, 160840), (1640, 132693), (1804, 120630), (2255, 96504), (2460, 88462), (2706, 80420), (3608, 60315), (4021, 54120), (4510, 48252), (4920, 44231), (5412, 40210), (6765, 32168), (8042, 27060), (9020, 24126), (10824, 20105), (12063, 18040), (13530, 16084)]