821189880

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5717}}^1$

素因数の和:5763

約数の個数: 256

約数和(自身を含む): 3293568000

約数和(自身を除く): 2472378120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 140, 152, 168, 171, 180, 189, 190, 210, 216, 228, 252, 266, 270, 280, 285, 315, 342, 360, 378, 380, 399, 420, 456, 504, 513, 532, 540, 570, 630, 665, 684, 756, 760, 798, 840, 855, 945, 1026, 1064, 1080, 1140, 1197, 1260, 1330, 1368, 1512, 1596, 1710, 1890, 1995, 2052, 2280, 2394, 2520, 2565, 2660, 3192, 3420, 3591, 3780, 3990, 4104, 4788, 5130, 5320, 5717, 5985, 6840, 7182, 7560, 7980, 9576, 10260, 11434, 11970, 14364, 15960, 17151, 17955, 20520, 22868, 23940, 28585, 28728, 34302, 35910, 40019, 45736, 47880, 51453, 57170, 68604, 71820, 80038, 85755, 102906, 108623, 114340, 120057, 137208, 143640, 154359, 160076, 171510, 200095, 205812, 217246, 228680, 240114, 257265, 308718, 320152, 325869, 343020, 360171, 400190, 411624, 434492, 480228, 514530, 543115, 600285, 617436, 651738, 686040, 720342, 760361, 771795, 800380, 868984, 960456, 977607, 1029060, 1080513, 1086230, 1200570, 1234872, 1303476, 1440684, 1520722, 1543590, 1600760, 1629345, 1800855, 1955214, 2058120, 2161026, 2172460, 2281083, 2401140, 2606952, 2881368, 2932821, 3041444, 3087180, 3258690, 3601710, 3801805, 3910428, 4322052, 4344920, 4562166, 4802280, 4888035, 5402565, 5865642, 6082888, 6174360, 6517380, 6843249, 7203420, 7603610, 7820856, 8644104, 9124332, 9776070, 10805130, 11405415, 11731284, 13034760, 13686498, 14406840, 14664105, 15207220, 18248664, 19552140, 20529747, 21610260, 22810830, 23462568, 27372996, 29328210, 30414440, 34216245, 39104280, 41059494, 43220520, 45621660, 54745992, 58656420, 68432490, 82118988, 91243320, 102648735, 117312840, 136864980, 164237976, 205297470, 273729960, 410594940, 821189880]

約数ペア:

[(1, 821189880), (2, 410594940), (3, 273729960), (4, 205297470), (5, 164237976), (6, 136864980), (7, 117312840), (8, 102648735), (9, 91243320), (10, 82118988), (12, 68432490), (14, 58656420), (15, 54745992), (18, 45621660), (19, 43220520), (20, 41059494), (21, 39104280), (24, 34216245), (27, 30414440), (28, 29328210), (30, 27372996), (35, 23462568), (36, 22810830), (38, 21610260), (40, 20529747), (42, 19552140), (45, 18248664), (54, 15207220), (56, 14664105), (57, 14406840), (60, 13686498), (63, 13034760), (70, 11731284), (72, 11405415), (76, 10805130), (84, 9776070), (90, 9124332), (95, 8644104), (105, 7820856), (108, 7603610), (114, 7203420), (120, 6843249), (126, 6517380), (133, 6174360), (135, 6082888), (140, 5865642), (152, 5402565), (168, 4888035), (171, 4802280), (180, 4562166), (189, 4344920), (190, 4322052), (210, 3910428), (216, 3801805), (228, 3601710), (252, 3258690), (266, 3087180), (270, 3041444), (280, 2932821), (285, 2881368), (315, 2606952), (342, 2401140), (360, 2281083), (378, 2172460), (380, 2161026), (399, 2058120), (420, 1955214), (456, 1800855), (504, 1629345), (513, 1600760), (532, 1543590), (540, 1520722), (570, 1440684), (630, 1303476), (665, 1234872), (684, 1200570), (756, 1086230), (760, 1080513), (798, 1029060), (840, 977607), (855, 960456), (945, 868984), (1026, 800380), (1064, 771795), (1080, 760361), (1140, 720342), (1197, 686040), (1260, 651738), (1330, 617436), (1368, 600285), (1512, 543115), (1596, 514530), (1710, 480228), (1890, 434492), (1995, 411624), (2052, 400190), (2280, 360171), (2394, 343020), (2520, 325869), (2565, 320152), (2660, 308718), (3192, 257265), (3420, 240114), (3591, 228680), (3780, 217246), (3990, 205812), (4104, 200095), (4788, 171510), (5130, 160076), (5320, 154359), (5717, 143640), (5985, 137208), (6840, 120057), (7182, 114340), (7560, 108623), (7980, 102906), (9576, 85755), (10260, 80038), (11434, 71820), (11970, 68604), (14364, 57170), (15960, 51453), (17151, 47880), (17955, 45736), (20520, 40019), (22868, 35910), (23940, 34302), (28585, 28728)]