1617587720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{1217}}^1$

素因数の和:1383

約数の個数: 128

約数和(自身を含む): 4293596160

約数和(自身を除く): 2676008440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 101, 140, 188, 202, 235, 280, 329, 376, 404, 470, 505, 658, 707, 808, 940, 1010, 1217, 1316, 1414, 1645, 1880, 2020, 2434, 2632, 2828, 3290, 3535, 4040, 4747, 4868, 5656, 6085, 6580, 7070, 8519, 9494, 9736, 12170, 13160, 14140, 17038, 18988, 23735, 24340, 28280, 33229, 34076, 37976, 42595, 47470, 48680, 57199, 66458, 68152, 85190, 94940, 114398, 122917, 132916, 166145, 170380, 189880, 228796, 245834, 265832, 285995, 332290, 340760, 400393, 457592, 491668, 571990, 614585, 664580, 800786, 860419, 983336, 1143980, 1229170, 1329160, 1601572, 1720838, 2001965, 2287960, 2458340, 3203144, 3441676, 4003930, 4302095, 4916680, 5777099, 6883352, 8007860, 8604190, 11554198, 16015720, 17208380, 23108396, 28885495, 34416760, 40439693, 46216792, 57770990, 80879386, 115541980, 161758772, 202198465, 231083960, 323517544, 404396930, 808793860, 1617587720]

約数ペア:

[(1, 1617587720), (2, 808793860), (4, 404396930), (5, 323517544), (7, 231083960), (8, 202198465), (10, 161758772), (14, 115541980), (20, 80879386), (28, 57770990), (35, 46216792), (40, 40439693), (47, 34416760), (56, 28885495), (70, 23108396), (94, 17208380), (101, 16015720), (140, 11554198), (188, 8604190), (202, 8007860), (235, 6883352), (280, 5777099), (329, 4916680), (376, 4302095), (404, 4003930), (470, 3441676), (505, 3203144), (658, 2458340), (707, 2287960), (808, 2001965), (940, 1720838), (1010, 1601572), (1217, 1329160), (1316, 1229170), (1414, 1143980), (1645, 983336), (1880, 860419), (2020, 800786), (2434, 664580), (2632, 614585), (2828, 571990), (3290, 491668), (3535, 457592), (4040, 400393), (4747, 340760), (4868, 332290), (5656, 285995), (6085, 265832), (6580, 245834), (7070, 228796), (8519, 189880), (9494, 170380), (9736, 166145), (12170, 132916), (13160, 122917), (14140, 114398), (17038, 94940), (18988, 85190), (23735, 68152), (24340, 66458), (28280, 57199), (33229, 48680), (34076, 47470), (37976, 42595)]