1388745720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{1063}}^1$

素因数の和:1290

約数の個数: 192

約数和(自身を含む): 4780339200

約数和(自身を除く): 3391593480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 191, 228, 285, 342, 360, 380, 382, 456, 570, 573, 684, 760, 764, 855, 955, 1063, 1140, 1146, 1368, 1528, 1710, 1719, 1910, 2126, 2280, 2292, 2865, 3189, 3420, 3438, 3629, 3820, 4252, 4584, 5315, 5730, 6378, 6840, 6876, 7258, 7640, 8504, 8595, 9567, 10630, 10887, 11460, 12756, 13752, 14516, 15945, 17190, 18145, 19134, 20197, 21260, 21774, 22920, 25512, 29032, 31890, 32661, 34380, 36290, 38268, 40394, 42520, 43548, 47835, 54435, 60591, 63780, 65322, 68760, 72580, 76536, 80788, 87096, 95670, 100985, 108870, 121182, 127560, 130644, 145160, 161576, 163305, 181773, 191340, 201970, 203033, 217740, 242364, 261288, 302955, 326610, 363546, 382680, 403940, 406066, 435480, 484728, 605910, 609099, 653220, 727092, 807880, 812132, 908865, 1015165, 1211820, 1218198, 1306440, 1454184, 1624264, 1817730, 1827297, 2030330, 2423640, 2436396, 3045495, 3635460, 3654594, 3857627, 4060660, 4872792, 6090990, 7270920, 7309188, 7715254, 8121320, 9136485, 11572881, 12181980, 14618376, 15430508, 18272970, 19288135, 23145762, 24363960, 30861016, 34718643, 36545940, 38576270, 46291524, 57864405, 69437286, 73091880, 77152540, 92583048, 115728810, 138874572, 154305080, 173593215, 231457620, 277749144, 347186430, 462915240, 694372860, 1388745720]

約数ペア:

[(1, 1388745720), (2, 694372860), (3, 462915240), (4, 347186430), (5, 277749144), (6, 231457620), (8, 173593215), (9, 154305080), (10, 138874572), (12, 115728810), (15, 92583048), (18, 77152540), (19, 73091880), (20, 69437286), (24, 57864405), (30, 46291524), (36, 38576270), (38, 36545940), (40, 34718643), (45, 30861016), (57, 24363960), (60, 23145762), (72, 19288135), (76, 18272970), (90, 15430508), (95, 14618376), (114, 12181980), (120, 11572881), (152, 9136485), (171, 8121320), (180, 7715254), (190, 7309188), (191, 7270920), (228, 6090990), (285, 4872792), (342, 4060660), (360, 3857627), (380, 3654594), (382, 3635460), (456, 3045495), (570, 2436396), (573, 2423640), (684, 2030330), (760, 1827297), (764, 1817730), (855, 1624264), (955, 1454184), (1063, 1306440), (1140, 1218198), (1146, 1211820), (1368, 1015165), (1528, 908865), (1710, 812132), (1719, 807880), (1910, 727092), (2126, 653220), (2280, 609099), (2292, 605910), (2865, 484728), (3189, 435480), (3420, 406066), (3438, 403940), (3629, 382680), (3820, 363546), (4252, 326610), (4584, 302955), (5315, 261288), (5730, 242364), (6378, 217740), (6840, 203033), (6876, 201970), (7258, 191340), (7640, 181773), (8504, 163305), (8595, 161576), (9567, 145160), (10630, 130644), (10887, 127560), (11460, 121182), (12756, 108870), (13752, 100985), (14516, 95670), (15945, 87096), (17190, 80788), (18145, 76536), (19134, 72580), (20197, 68760), (21260, 65322), (21774, 63780), (22920, 60591), (25512, 54435), (29032, 47835), (31890, 43548), (32661, 42520), (34380, 40394), (36290, 38268)]