1649890080

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20101}}^1$

素因数の和:20144

約数の個数: 192

約数和(自身を含む): 6078844800

約数和(自身を除く): 4428954720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 342, 360, 380, 432, 456, 480, 513, 540, 570, 608, 684, 720, 760, 855, 864, 912, 1026, 1080, 1140, 1368, 1440, 1520, 1710, 1824, 2052, 2160, 2280, 2565, 2736, 3040, 3420, 4104, 4320, 4560, 5130, 5472, 6840, 8208, 9120, 10260, 13680, 16416, 20101, 20520, 27360, 40202, 41040, 60303, 80404, 82080, 100505, 120606, 160808, 180909, 201010, 241212, 301515, 321616, 361818, 381919, 402020, 482424, 542727, 603030, 643232, 723636, 763838, 804040, 904545, 964848, 1085454, 1145757, 1206060, 1447272, 1527676, 1608080, 1809090, 1909595, 1929696, 2170908, 2291514, 2412120, 2713635, 2894544, 3055352, 3216160, 3437271, 3618180, 3819190, 4341816, 4583028, 4824240, 5427270, 5728785, 5789088, 6110704, 6874542, 7236360, 7638380, 8683632, 9166056, 9648480, 10311813, 10854540, 11457570, 12221408, 13749084, 14472720, 15276760, 17186355, 17367264, 18332112, 20623626, 21709080, 22915140, 27498168, 28945440, 30553520, 34372710, 36664224, 41247252, 43418160, 45830280, 51559065, 54996336, 61107040, 68745420, 82494504, 86836320, 91660560, 103118130, 109992672, 137490840, 164989008, 183321120, 206236260, 274981680, 329978016, 412472520, 549963360, 824945040, 1649890080]

約数ペア:

[(1, 1649890080), (2, 824945040), (3, 549963360), (4, 412472520), (5, 329978016), (6, 274981680), (8, 206236260), (9, 183321120), (10, 164989008), (12, 137490840), (15, 109992672), (16, 103118130), (18, 91660560), (19, 86836320), (20, 82494504), (24, 68745420), (27, 61107040), (30, 54996336), (32, 51559065), (36, 45830280), (38, 43418160), (40, 41247252), (45, 36664224), (48, 34372710), (54, 30553520), (57, 28945440), (60, 27498168), (72, 22915140), (76, 21709080), (80, 20623626), (90, 18332112), (95, 17367264), (96, 17186355), (108, 15276760), (114, 14472720), (120, 13749084), (135, 12221408), (144, 11457570), (152, 10854540), (160, 10311813), (171, 9648480), (180, 9166056), (190, 8683632), (216, 7638380), (228, 7236360), (240, 6874542), (270, 6110704), (285, 5789088), (288, 5728785), (304, 5427270), (342, 4824240), (360, 4583028), (380, 4341816), (432, 3819190), (456, 3618180), (480, 3437271), (513, 3216160), (540, 3055352), (570, 2894544), (608, 2713635), (684, 2412120), (720, 2291514), (760, 2170908), (855, 1929696), (864, 1909595), (912, 1809090), (1026, 1608080), (1080, 1527676), (1140, 1447272), (1368, 1206060), (1440, 1145757), (1520, 1085454), (1710, 964848), (1824, 904545), (2052, 804040), (2160, 763838), (2280, 723636), (2565, 643232), (2736, 603030), (3040, 542727), (3420, 482424), (4104, 402020), (4320, 381919), (4560, 361818), (5130, 321616), (5472, 301515), (6840, 241212), (8208, 201010), (9120, 180909), (10260, 160808), (13680, 120606), (16416, 100505), (20101, 82080), (20520, 80404), (27360, 60303), (40202, 41040)]