639923040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1231}}^1$

素因数の和:1290

約数の個数: 216

約数和(自身を含む): 2306592288

約数和(自身を除く): 1666669248

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 361, 380, 456, 480, 570, 608, 684, 720, 722, 760, 855, 912, 1083, 1140, 1231, 1368, 1440, 1444, 1520, 1710, 1805, 1824, 2166, 2280, 2462, 2736, 2888, 3040, 3249, 3420, 3610, 3693, 4332, 4560, 4924, 5415, 5472, 5776, 6155, 6498, 6840, 7220, 7386, 8664, 9120, 9848, 10830, 11079, 11552, 12310, 12996, 13680, 14440, 14772, 16245, 17328, 18465, 19696, 21660, 22158, 23389, 24620, 25992, 27360, 28880, 29544, 32490, 34656, 36930, 39392, 43320, 44316, 46778, 49240, 51984, 55395, 57760, 59088, 64980, 70167, 73860, 86640, 88632, 93556, 98480, 103968, 110790, 116945, 118176, 129960, 140334, 147720, 173280, 177264, 187112, 196960, 210501, 221580, 233890, 259920, 280668, 295440, 350835, 354528, 374224, 421002, 443160, 444391, 467780, 519840, 561336, 590880, 701670, 748448, 842004, 886320, 888782, 935560, 1052505, 1122672, 1333173, 1403340, 1684008, 1772640, 1777564, 1871120, 2105010, 2221955, 2245344, 2666346, 2806680, 3368016, 3555128, 3742240, 3999519, 4210020, 4443910, 5332692, 5613360, 6665865, 6736032, 7110256, 7999038, 8420040, 8887820, 10665384, 11226720, 13331730, 14220512, 15998076, 16840080, 17775640, 19997595, 21330768, 26663460, 31996152, 33680160, 35551280, 39995190, 42661536, 53326920, 63992304, 71102560, 79990380, 106653840, 127984608, 159980760, 213307680, 319961520, 639923040]

約数ペア:

[(1, 639923040), (2, 319961520), (3, 213307680), (4, 159980760), (5, 127984608), (6, 106653840), (8, 79990380), (9, 71102560), (10, 63992304), (12, 53326920), (15, 42661536), (16, 39995190), (18, 35551280), (19, 33680160), (20, 31996152), (24, 26663460), (30, 21330768), (32, 19997595), (36, 17775640), (38, 16840080), (40, 15998076), (45, 14220512), (48, 13331730), (57, 11226720), (60, 10665384), (72, 8887820), (76, 8420040), (80, 7999038), (90, 7110256), (95, 6736032), (96, 6665865), (114, 5613360), (120, 5332692), (144, 4443910), (152, 4210020), (160, 3999519), (171, 3742240), (180, 3555128), (190, 3368016), (228, 2806680), (240, 2666346), (285, 2245344), (288, 2221955), (304, 2105010), (342, 1871120), (360, 1777564), (361, 1772640), (380, 1684008), (456, 1403340), (480, 1333173), (570, 1122672), (608, 1052505), (684, 935560), (720, 888782), (722, 886320), (760, 842004), (855, 748448), (912, 701670), (1083, 590880), (1140, 561336), (1231, 519840), (1368, 467780), (1440, 444391), (1444, 443160), (1520, 421002), (1710, 374224), (1805, 354528), (1824, 350835), (2166, 295440), (2280, 280668), (2462, 259920), (2736, 233890), (2888, 221580), (3040, 210501), (3249, 196960), (3420, 187112), (3610, 177264), (3693, 173280), (4332, 147720), (4560, 140334), (4924, 129960), (5415, 118176), (5472, 116945), (5776, 110790), (6155, 103968), (6498, 98480), (6840, 93556), (7220, 88632), (7386, 86640), (8664, 73860), (9120, 70167), (9848, 64980), (10830, 59088), (11079, 57760), (11552, 55395), (12310, 51984), (12996, 49240), (13680, 46778), (14440, 44316), (14772, 43320), (16245, 39392), (17328, 36930), (18465, 34656), (19696, 32490), (21660, 29544), (22158, 28880), (23389, 27360), (24620, 25992)]