128802520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:150

約数の個数: 256

約数和(自身を含む): 398131200

約数和(自身を除く): 269328680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 31, 35, 38, 40, 44, 55, 56, 62, 70, 71, 76, 77, 88, 95, 110, 124, 133, 140, 142, 152, 154, 155, 190, 209, 217, 220, 248, 266, 280, 284, 308, 310, 341, 355, 380, 385, 418, 434, 440, 497, 532, 568, 589, 616, 620, 665, 682, 710, 760, 770, 781, 836, 868, 994, 1045, 1064, 1085, 1178, 1240, 1330, 1349, 1364, 1420, 1463, 1540, 1562, 1672, 1705, 1736, 1988, 2090, 2170, 2201, 2356, 2387, 2485, 2660, 2698, 2728, 2840, 2926, 2945, 3080, 3124, 3410, 3905, 3976, 4123, 4180, 4340, 4402, 4712, 4774, 4970, 5320, 5396, 5467, 5852, 5890, 6248, 6479, 6745, 6820, 7315, 7810, 8246, 8360, 8680, 8804, 9443, 9548, 9940, 10792, 10934, 11005, 11704, 11780, 11935, 12958, 13490, 13640, 14630, 14839, 15407, 15620, 16492, 17608, 18886, 19096, 19880, 20615, 21868, 22010, 23560, 23870, 24211, 25916, 26980, 27335, 29260, 29678, 30814, 31240, 32395, 32984, 37772, 41230, 41819, 43736, 44020, 45353, 47215, 47740, 48422, 51832, 53960, 54670, 58520, 59356, 61628, 64790, 74195, 75544, 77035, 82460, 83638, 88040, 90706, 94430, 95480, 96844, 103873, 109340, 118712, 121055, 123256, 129580, 148390, 154070, 164920, 167276, 169477, 181412, 188860, 193688, 207746, 209095, 218680, 226765, 242110, 259160, 292733, 296780, 308140, 334552, 338954, 362824, 377720, 415492, 418190, 453530, 460009, 484220, 519365, 585466, 593560, 616280, 677908, 830984, 836380, 847385, 907060, 920018, 968440, 1038730, 1170932, 1355816, 1463665, 1672760, 1694770, 1814120, 1840036, 2077460, 2300045, 2341864, 2927330, 3220063, 3389540, 3680072, 4154920, 4600090, 5854660, 6440126, 6779080, 9200180, 11709320, 12880252, 16100315, 18400360, 25760504, 32200630, 64401260, 128802520]

約数ペア:

[(1, 128802520), (2, 64401260), (4, 32200630), (5, 25760504), (7, 18400360), (8, 16100315), (10, 12880252), (11, 11709320), (14, 9200180), (19, 6779080), (20, 6440126), (22, 5854660), (28, 4600090), (31, 4154920), (35, 3680072), (38, 3389540), (40, 3220063), (44, 2927330), (55, 2341864), (56, 2300045), (62, 2077460), (70, 1840036), (71, 1814120), (76, 1694770), (77, 1672760), (88, 1463665), (95, 1355816), (110, 1170932), (124, 1038730), (133, 968440), (140, 920018), (142, 907060), (152, 847385), (154, 836380), (155, 830984), (190, 677908), (209, 616280), (217, 593560), (220, 585466), (248, 519365), (266, 484220), (280, 460009), (284, 453530), (308, 418190), (310, 415492), (341, 377720), (355, 362824), (380, 338954), (385, 334552), (418, 308140), (434, 296780), (440, 292733), (497, 259160), (532, 242110), (568, 226765), (589, 218680), (616, 209095), (620, 207746), (665, 193688), (682, 188860), (710, 181412), (760, 169477), (770, 167276), (781, 164920), (836, 154070), (868, 148390), (994, 129580), (1045, 123256), (1064, 121055), (1085, 118712), (1178, 109340), (1240, 103873), (1330, 96844), (1349, 95480), (1364, 94430), (1420, 90706), (1463, 88040), (1540, 83638), (1562, 82460), (1672, 77035), (1705, 75544), (1736, 74195), (1988, 64790), (2090, 61628), (2170, 59356), (2201, 58520), (2356, 54670), (2387, 53960), (2485, 51832), (2660, 48422), (2698, 47740), (2728, 47215), (2840, 45353), (2926, 44020), (2945, 43736), (3080, 41819), (3124, 41230), (3410, 37772), (3905, 32984), (3976, 32395), (4123, 31240), (4180, 30814), (4340, 29678), (4402, 29260), (4712, 27335), (4774, 26980), (4970, 25916), (5320, 24211), (5396, 23870), (5467, 23560), (5852, 22010), (5890, 21868), (6248, 20615), (6479, 19880), (6745, 19096), (6820, 18886), (7315, 17608), (7810, 16492), (8246, 15620), (8360, 15407), (8680, 14839), (8804, 14630), (9443, 13640), (9548, 13490), (9940, 12958), (10792, 11935), (10934, 11780), (11005, 11704)]