681618825

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 1389286080

約数和(自身を除く): 707667255

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 45, 51, 57, 75, 83, 85, 95, 113, 153, 171, 225, 249, 255, 285, 323, 339, 415, 425, 475, 565, 747, 765, 855, 969, 1017, 1245, 1275, 1411, 1425, 1577, 1615, 1695, 1921, 2075, 2147, 2825, 2907, 3735, 3825, 4233, 4275, 4731, 4845, 5085, 5763, 6225, 6441, 7055, 7885, 8075, 8475, 9379, 9605, 10735, 12699, 14193, 14535, 17289, 18675, 19323, 21165, 23655, 24225, 25425, 26809, 28137, 28815, 32205, 35275, 36499, 39425, 46895, 48025, 53675, 63495, 70965, 72675, 80427, 84411, 86445, 96615, 105825, 109497, 118275, 134045, 140685, 144075, 159443, 161025, 178201, 182495, 234475, 241281, 317475, 328491, 354825, 402135, 422055, 432225, 478329, 483075, 534603, 547485, 670225, 703425, 797215, 891005, 912475, 1206405, 1434987, 1603809, 1642455, 2010675, 2110275, 2391645, 2673015, 2737425, 3029417, 3986075, 4455025, 6032025, 7174935, 8019045, 8212275, 9088251, 11958225, 13365075, 15147085, 27264753, 35874675, 40095225, 45441255, 75735425, 136323765, 227206275, 681618825]

約数ペア:

[(1, 681618825), (3, 227206275), (5, 136323765), (9, 75735425), (15, 45441255), (17, 40095225), (19, 35874675), (25, 27264753), (45, 15147085), (51, 13365075), (57, 11958225), (75, 9088251), (83, 8212275), (85, 8019045), (95, 7174935), (113, 6032025), (153, 4455025), (171, 3986075), (225, 3029417), (249, 2737425), (255, 2673015), (285, 2391645), (323, 2110275), (339, 2010675), (415, 1642455), (425, 1603809), (475, 1434987), (565, 1206405), (747, 912475), (765, 891005), (855, 797215), (969, 703425), (1017, 670225), (1245, 547485), (1275, 534603), (1411, 483075), (1425, 478329), (1577, 432225), (1615, 422055), (1695, 402135), (1921, 354825), (2075, 328491), (2147, 317475), (2825, 241281), (2907, 234475), (3735, 182495), (3825, 178201), (4233, 161025), (4275, 159443), (4731, 144075), (4845, 140685), (5085, 134045), (5763, 118275), (6225, 109497), (6441, 105825), (7055, 96615), (7885, 86445), (8075, 84411), (8475, 80427), (9379, 72675), (9605, 70965), (10735, 63495), (12699, 53675), (14193, 48025), (14535, 46895), (17289, 39425), (18675, 36499), (19323, 35275), (21165, 32205), (23655, 28815), (24225, 28137), (25425, 26809)]