1991659320

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{569}}^1$

素因数の和:1059

約数の個数: 256

約数和(自身を含む): 7617024000

約数和(自身を除く): 5625364680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 463, 504, 540, 569, 630, 756, 840, 926, 945, 1080, 1138, 1260, 1389, 1512, 1707, 1852, 1890, 2276, 2315, 2520, 2778, 2845, 3241, 3414, 3704, 3780, 3983, 4167, 4552, 4630, 5121, 5556, 5690, 6482, 6828, 6945, 7560, 7966, 8334, 8535, 9260, 9723, 10242, 11112, 11380, 11949, 12501, 12964, 13656, 13890, 15363, 15932, 16205, 16668, 17070, 18520, 19446, 19915, 20484, 20835, 22760, 23898, 25002, 25605, 25928, 27780, 29169, 30726, 31864, 32410, 33336, 34140, 35847, 38892, 39830, 40968, 41670, 47796, 48615, 50004, 51210, 55560, 58338, 59745, 61452, 62505, 64820, 68280, 71694, 76815, 77784, 79660, 83340, 87507, 95592, 97230, 100008, 102420, 107541, 116676, 119490, 122904, 125010, 129640, 143388, 145845, 153630, 159320, 166680, 175014, 179235, 194460, 204840, 215082, 233352, 238980, 250020, 263447, 286776, 291690, 307260, 350028, 358470, 388920, 430164, 437535, 477960, 500040, 526894, 537705, 583380, 614520, 700056, 716940, 790341, 860328, 875070, 1053788, 1075410, 1166760, 1317235, 1433880, 1580682, 1750140, 1844129, 2107576, 2150820, 2371023, 2634470, 3161364, 3500280, 3688258, 3951705, 4301640, 4742046, 5268940, 5532387, 6322728, 7113069, 7376516, 7903410, 9220645, 9484092, 10537880, 11064774, 11855115, 14226138, 14753032, 15806820, 16597161, 18441290, 18968184, 22129548, 23710230, 27661935, 28452276, 31613640, 33194322, 35565345, 36882580, 44259096, 47420460, 49791483, 55323870, 56904552, 66388644, 71130690, 73765160, 82985805, 94840920, 99582966, 110647740, 132777288, 142261380, 165971610, 199165932, 221295480, 248957415, 284522760, 331943220, 398331864, 497914830, 663886440, 995829660, 1991659320]

約数ペア:

[(1, 1991659320), (2, 995829660), (3, 663886440), (4, 497914830), (5, 398331864), (6, 331943220), (7, 284522760), (8, 248957415), (9, 221295480), (10, 199165932), (12, 165971610), (14, 142261380), (15, 132777288), (18, 110647740), (20, 99582966), (21, 94840920), (24, 82985805), (27, 73765160), (28, 71130690), (30, 66388644), (35, 56904552), (36, 55323870), (40, 49791483), (42, 47420460), (45, 44259096), (54, 36882580), (56, 35565345), (60, 33194322), (63, 31613640), (70, 28452276), (72, 27661935), (84, 23710230), (90, 22129548), (105, 18968184), (108, 18441290), (120, 16597161), (126, 15806820), (135, 14753032), (140, 14226138), (168, 11855115), (180, 11064774), (189, 10537880), (210, 9484092), (216, 9220645), (252, 7903410), (270, 7376516), (280, 7113069), (315, 6322728), (360, 5532387), (378, 5268940), (420, 4742046), (463, 4301640), (504, 3951705), (540, 3688258), (569, 3500280), (630, 3161364), (756, 2634470), (840, 2371023), (926, 2150820), (945, 2107576), (1080, 1844129), (1138, 1750140), (1260, 1580682), (1389, 1433880), (1512, 1317235), (1707, 1166760), (1852, 1075410), (1890, 1053788), (2276, 875070), (2315, 860328), (2520, 790341), (2778, 716940), (2845, 700056), (3241, 614520), (3414, 583380), (3704, 537705), (3780, 526894), (3983, 500040), (4167, 477960), (4552, 437535), (4630, 430164), (5121, 388920), (5556, 358470), (5690, 350028), (6482, 307260), (6828, 291690), (6945, 286776), (7560, 263447), (7966, 250020), (8334, 238980), (8535, 233352), (9260, 215082), (9723, 204840), (10242, 194460), (11112, 179235), (11380, 175014), (11949, 166680), (12501, 159320), (12964, 153630), (13656, 145845), (13890, 143388), (15363, 129640), (15932, 125010), (16205, 122904), (16668, 119490), (17070, 116676), (18520, 107541), (19446, 102420), (19915, 100008), (20484, 97230), (20835, 95592), (22760, 87507), (23898, 83340), (25002, 79660), (25605, 77784), (25928, 76815), (27780, 71694), (29169, 68280), (30726, 64820), (31864, 62505), (32410, 61452), (33336, 59745), (34140, 58338), (35847, 55560), (38892, 51210), (39830, 50004), (40968, 48615), (41670, 47796)]