2017206560

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^2$

素因数の和:259

約数の個数: 144

約数和(自身を含む): 5032787256

約数和(自身を除く): 3015580696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 61, 71, 80, 82, 122, 142, 160, 164, 205, 244, 284, 305, 328, 355, 410, 488, 568, 610, 656, 710, 820, 976, 1136, 1220, 1312, 1420, 1640, 1952, 2272, 2440, 2501, 2840, 2911, 3280, 4331, 4880, 5002, 5041, 5680, 5822, 6560, 8662, 9760, 10004, 10082, 11360, 11644, 12505, 14555, 17324, 20008, 20164, 21655, 23288, 25010, 25205, 29110, 34648, 40016, 40328, 43310, 46576, 50020, 50410, 58220, 69296, 80032, 80656, 86620, 93152, 100040, 100820, 116440, 138592, 161312, 173240, 177571, 200080, 201640, 206681, 232880, 307501, 346480, 355142, 400160, 403280, 413362, 465760, 615002, 692960, 710284, 806560, 826724, 887855, 1033405, 1230004, 1420568, 1537505, 1653448, 1775710, 2066810, 2460008, 2841136, 3075010, 3306896, 3551420, 4133620, 4920016, 5682272, 6150020, 6613792, 7102840, 8267240, 9840032, 12300040, 12607541, 14205680, 16534480, 24600080, 25215082, 28411360, 33068960, 49200160, 50430164, 63037705, 100860328, 126075410, 201720656, 252150820, 403441312, 504301640, 1008603280, 2017206560]

約数ペア:

[(1, 2017206560), (2, 1008603280), (4, 504301640), (5, 403441312), (8, 252150820), (10, 201720656), (16, 126075410), (20, 100860328), (32, 63037705), (40, 50430164), (41, 49200160), (61, 33068960), (71, 28411360), (80, 25215082), (82, 24600080), (122, 16534480), (142, 14205680), (160, 12607541), (164, 12300040), (205, 9840032), (244, 8267240), (284, 7102840), (305, 6613792), (328, 6150020), (355, 5682272), (410, 4920016), (488, 4133620), (568, 3551420), (610, 3306896), (656, 3075010), (710, 2841136), (820, 2460008), (976, 2066810), (1136, 1775710), (1220, 1653448), (1312, 1537505), (1420, 1420568), (1640, 1230004), (1952, 1033405), (2272, 887855), (2440, 826724), (2501, 806560), (2840, 710284), (2911, 692960), (3280, 615002), (4331, 465760), (4880, 413362), (5002, 403280), (5041, 400160), (5680, 355142), (5822, 346480), (6560, 307501), (8662, 232880), (9760, 206681), (10004, 201640), (10082, 200080), (11360, 177571), (11644, 173240), (12505, 161312), (14555, 138592), (17324, 116440), (20008, 100820), (20164, 100040), (21655, 93152), (23288, 86620), (25010, 80656), (25205, 80032), (29110, 69296), (34648, 58220), (40016, 50410), (40328, 50020), (43310, 46576)]