128685480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{733}}^1$

素因数の和:784

約数の個数: 256

約数和(自身を含む): 507340800

約数和(自身を除く): 378655320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 19, 20, 21, 22, 24, 28, 30, 33, 35, 38, 40, 42, 44, 55, 56, 57, 60, 66, 70, 76, 77, 84, 88, 95, 105, 110, 114, 120, 132, 133, 140, 152, 154, 165, 168, 190, 209, 210, 220, 228, 231, 264, 266, 280, 285, 308, 330, 380, 385, 399, 418, 420, 440, 456, 462, 532, 570, 616, 627, 660, 665, 733, 760, 770, 798, 836, 840, 924, 1045, 1064, 1140, 1155, 1254, 1320, 1330, 1463, 1466, 1540, 1596, 1672, 1848, 1995, 2090, 2199, 2280, 2310, 2508, 2660, 2926, 2932, 3080, 3135, 3192, 3665, 3990, 4180, 4389, 4398, 4620, 5016, 5131, 5320, 5852, 5864, 6270, 7315, 7330, 7980, 8063, 8360, 8778, 8796, 9240, 10262, 10995, 11704, 12540, 13927, 14630, 14660, 15393, 15960, 16126, 17556, 17592, 20524, 21945, 21990, 24189, 25080, 25655, 27854, 29260, 29320, 30786, 32252, 35112, 40315, 41048, 41781, 43890, 43980, 48378, 51310, 55708, 56441, 58520, 61572, 64504, 69635, 76965, 80630, 83562, 87780, 87960, 96756, 97489, 102620, 111416, 112882, 120945, 123144, 139270, 153197, 153930, 161260, 167124, 169323, 175560, 193512, 194978, 205240, 208905, 225764, 241890, 278540, 282205, 292467, 306394, 307860, 322520, 334248, 338646, 389956, 417810, 451528, 459591, 483780, 487445, 557080, 564410, 584934, 612788, 615720, 677292, 765985, 779912, 835620, 846615, 919182, 967560, 974890, 1072379, 1128820, 1169868, 1225576, 1354584, 1462335, 1531970, 1671240, 1693230, 1838364, 1949780, 2144758, 2257640, 2297955, 2339736, 2924670, 3063940, 3217137, 3386460, 3676728, 3899560, 4289516, 4595910, 5361895, 5849340, 6127880, 6434274, 6772920, 8579032, 9191820, 10723790, 11698680, 12868548, 16085685, 18383640, 21447580, 25737096, 32171370, 42895160, 64342740, 128685480]

約数ペア:

[(1, 128685480), (2, 64342740), (3, 42895160), (4, 32171370), (5, 25737096), (6, 21447580), (7, 18383640), (8, 16085685), (10, 12868548), (11, 11698680), (12, 10723790), (14, 9191820), (15, 8579032), (19, 6772920), (20, 6434274), (21, 6127880), (22, 5849340), (24, 5361895), (28, 4595910), (30, 4289516), (33, 3899560), (35, 3676728), (38, 3386460), (40, 3217137), (42, 3063940), (44, 2924670), (55, 2339736), (56, 2297955), (57, 2257640), (60, 2144758), (66, 1949780), (70, 1838364), (76, 1693230), (77, 1671240), (84, 1531970), (88, 1462335), (95, 1354584), (105, 1225576), (110, 1169868), (114, 1128820), (120, 1072379), (132, 974890), (133, 967560), (140, 919182), (152, 846615), (154, 835620), (165, 779912), (168, 765985), (190, 677292), (209, 615720), (210, 612788), (220, 584934), (228, 564410), (231, 557080), (264, 487445), (266, 483780), (280, 459591), (285, 451528), (308, 417810), (330, 389956), (380, 338646), (385, 334248), (399, 322520), (418, 307860), (420, 306394), (440, 292467), (456, 282205), (462, 278540), (532, 241890), (570, 225764), (616, 208905), (627, 205240), (660, 194978), (665, 193512), (733, 175560), (760, 169323), (770, 167124), (798, 161260), (836, 153930), (840, 153197), (924, 139270), (1045, 123144), (1064, 120945), (1140, 112882), (1155, 111416), (1254, 102620), (1320, 97489), (1330, 96756), (1463, 87960), (1466, 87780), (1540, 83562), (1596, 80630), (1672, 76965), (1848, 69635), (1995, 64504), (2090, 61572), (2199, 58520), (2280, 56441), (2310, 55708), (2508, 51310), (2660, 48378), (2926, 43980), (2932, 43890), (3080, 41781), (3135, 41048), (3192, 40315), (3665, 35112), (3990, 32252), (4180, 30786), (4389, 29320), (4398, 29260), (4620, 27854), (5016, 25655), (5131, 25080), (5320, 24189), (5852, 21990), (5864, 21945), (6270, 20524), (7315, 17592), (7330, 17556), (7980, 16126), (8063, 15960), (8360, 15393), (8778, 14660), (8796, 14630), (9240, 13927), (10262, 12540), (10995, 11704)]