1638660240

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{108377}}^1$

素因数の和:108406

約数の個数: 160

約数和(自身を含む): 6450658560

約数和(自身を除く): 4811998320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 108377, 216754, 325131, 433508, 541885, 650262, 758639, 867016, 975393, 1083770, 1300524, 1517278, 1625655, 1734032, 1950786, 2167540, 2275917, 2601048, 2926179, 3034556, 3251310, 3793195, 3901572, 4335080, 4551834, 4876965, 5202096, 5852358, 6069112, 6502620, 6827751, 7586390, 7803144, 8670160, 9103668, 9753930, 11379585, 11704716, 12138224, 13005240, 13655502, 14630895, 15172780, 15606288, 18207336, 19507860, 20483253, 22759170, 23409432, 26010480, 27311004, 29261790, 30345560, 34138755, 36414672, 39015720, 40966506, 45518340, 46818864, 54622008, 58523580, 60691120, 68277510, 78031440, 81933012, 91036680, 102416265, 109244016, 117047160, 136555020, 163866024, 182073360, 204832530, 234094320, 273110040, 327732048, 409665060, 546220080, 819330120, 1638660240]

約数ペア:

[(1, 1638660240), (2, 819330120), (3, 546220080), (4, 409665060), (5, 327732048), (6, 273110040), (7, 234094320), (8, 204832530), (9, 182073360), (10, 163866024), (12, 136555020), (14, 117047160), (15, 109244016), (16, 102416265), (18, 91036680), (20, 81933012), (21, 78031440), (24, 68277510), (27, 60691120), (28, 58523580), (30, 54622008), (35, 46818864), (36, 45518340), (40, 40966506), (42, 39015720), (45, 36414672), (48, 34138755), (54, 30345560), (56, 29261790), (60, 27311004), (63, 26010480), (70, 23409432), (72, 22759170), (80, 20483253), (84, 19507860), (90, 18207336), (105, 15606288), (108, 15172780), (112, 14630895), (120, 13655502), (126, 13005240), (135, 12138224), (140, 11704716), (144, 11379585), (168, 9753930), (180, 9103668), (189, 8670160), (210, 7803144), (216, 7586390), (240, 6827751), (252, 6502620), (270, 6069112), (280, 5852358), (315, 5202096), (336, 4876965), (360, 4551834), (378, 4335080), (420, 3901572), (432, 3793195), (504, 3251310), (540, 3034556), (560, 2926179), (630, 2601048), (720, 2275917), (756, 2167540), (840, 1950786), (945, 1734032), (1008, 1625655), (1080, 1517278), (1260, 1300524), (1512, 1083770), (1680, 975393), (1890, 867016), (2160, 758639), (2520, 650262), (3024, 541885), (3780, 433508), (5040, 325131), (7560, 216754), (15120, 108377)]