1781138280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{45953}}^1$

素因数の和:46003

約数の個数: 128

約数和(自身を含む): 5955638400

約数和(自身を除く): 4174500120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 38, 40, 51, 57, 60, 68, 76, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 255, 285, 323, 340, 380, 408, 456, 510, 570, 646, 680, 760, 969, 1020, 1140, 1292, 1615, 1938, 2040, 2280, 2584, 3230, 3876, 4845, 6460, 7752, 9690, 12920, 19380, 38760, 45953, 91906, 137859, 183812, 229765, 275718, 367624, 459530, 551436, 689295, 781201, 873107, 919060, 1102872, 1378590, 1562402, 1746214, 1838120, 2343603, 2619321, 2757180, 3124804, 3492428, 3906005, 4365535, 4687206, 5238642, 5514360, 6249608, 6984856, 7812010, 8731070, 9374412, 10477284, 11718015, 13096605, 14842819, 15624020, 17462140, 18748824, 20954568, 23436030, 26193210, 29685638, 31248040, 34924280, 44528457, 46872060, 52386420, 59371276, 74214095, 89056914, 93744120, 104772840, 118742552, 148428190, 178113828, 222642285, 296856380, 356227656, 445284570, 593712760, 890569140, 1781138280]

約数ペア:

[(1, 1781138280), (2, 890569140), (3, 593712760), (4, 445284570), (5, 356227656), (6, 296856380), (8, 222642285), (10, 178113828), (12, 148428190), (15, 118742552), (17, 104772840), (19, 93744120), (20, 89056914), (24, 74214095), (30, 59371276), (34, 52386420), (38, 46872060), (40, 44528457), (51, 34924280), (57, 31248040), (60, 29685638), (68, 26193210), (76, 23436030), (85, 20954568), (95, 18748824), (102, 17462140), (114, 15624020), (120, 14842819), (136, 13096605), (152, 11718015), (170, 10477284), (190, 9374412), (204, 8731070), (228, 7812010), (255, 6984856), (285, 6249608), (323, 5514360), (340, 5238642), (380, 4687206), (408, 4365535), (456, 3906005), (510, 3492428), (570, 3124804), (646, 2757180), (680, 2619321), (760, 2343603), (969, 1838120), (1020, 1746214), (1140, 1562402), (1292, 1378590), (1615, 1102872), (1938, 919060), (2040, 873107), (2280, 781201), (2584, 689295), (3230, 551436), (3876, 459530), (4845, 367624), (6460, 275718), (7752, 229765), (9690, 183812), (12920, 137859), (19380, 91906), (38760, 45953)]