408737880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19919}}^1$

素因数の和:19958

約数の個数: 128

約数和(自身を含む): 1434240000

約数和(自身を除く): 1025502120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 19919, 20520, 39838, 59757, 79676, 99595, 119514, 159352, 179271, 199190, 239028, 298785, 358542, 378461, 398380, 478056, 537813, 597570, 717084, 756922, 796760, 896355, 1075626, 1135383, 1195140, 1434168, 1513844, 1792710, 1892305, 2151252, 2270766, 2390280, 2689065, 3027688, 3406149, 3585420, 3784610, 4302504, 4541532, 5378130, 5676915, 6812298, 7170840, 7569220, 9083064, 10218447, 10756260, 11353830, 13624596, 15138440, 17030745, 20436894, 21512520, 22707660, 27249192, 34061490, 40873788, 45415320, 51092235, 68122980, 81747576, 102184470, 136245960, 204368940, 408737880]

約数ペア:

[(1, 408737880), (2, 204368940), (3, 136245960), (4, 102184470), (5, 81747576), (6, 68122980), (8, 51092235), (9, 45415320), (10, 40873788), (12, 34061490), (15, 27249192), (18, 22707660), (19, 21512520), (20, 20436894), (24, 17030745), (27, 15138440), (30, 13624596), (36, 11353830), (38, 10756260), (40, 10218447), (45, 9083064), (54, 7569220), (57, 7170840), (60, 6812298), (72, 5676915), (76, 5378130), (90, 4541532), (95, 4302504), (108, 3784610), (114, 3585420), (120, 3406149), (135, 3027688), (152, 2689065), (171, 2390280), (180, 2270766), (190, 2151252), (216, 1892305), (228, 1792710), (270, 1513844), (285, 1434168), (342, 1195140), (360, 1135383), (380, 1075626), (456, 896355), (513, 796760), (540, 756922), (570, 717084), (684, 597570), (760, 537813), (855, 478056), (1026, 398380), (1080, 378461), (1140, 358542), (1368, 298785), (1710, 239028), (2052, 199190), (2280, 179271), (2565, 159352), (3420, 119514), (4104, 99595), (5130, 79676), (6840, 59757), (10260, 39838), (19919, 20520)]