637020720

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{42131}}^1$

素因数の和:42160

約数の個数: 160

約数和(自身を含む): 2507696640

約数和(自身を除く): 1870675920

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, 42131, 84262, 126393, 168524, 210655, 252786, 294917, 337048, 379179, 421310, 505572, 589834, 631965, 674096, 758358, 842620, 884751, 1011144, 1137537, 1179668, 1263930, 1474585, 1516716, 1685240, 1769502, 1895895, 2022288, 2275074, 2359336, 2527860, 2654253, 2949170, 3033432, 3370480, 3539004, 3791790, 4423755, 4550148, 4718672, 5055720, 5308506, 5687685, 5898340, 6066864, 7078008, 7583580, 7962759, 8847510, 9100296, 10111440, 10617012, 11375370, 11796680, 13271265, 14156016, 15167160, 15925518, 17695020, 18200592, 21234024, 22750740, 23593360, 26542530, 30334320, 31851036, 35390040, 39813795, 42468048, 45501480, 53085060, 63702072, 70780080, 79627590, 91002960, 106170120, 127404144, 159255180, 212340240, 318510360, 637020720]

約数ペア:

[(1, 637020720), (2, 318510360), (3, 212340240), (4, 159255180), (5, 127404144), (6, 106170120), (7, 91002960), (8, 79627590), (9, 70780080), (10, 63702072), (12, 53085060), (14, 45501480), (15, 42468048), (16, 39813795), (18, 35390040), (20, 31851036), (21, 30334320), (24, 26542530), (27, 23593360), (28, 22750740), (30, 21234024), (35, 18200592), (36, 17695020), (40, 15925518), (42, 15167160), (45, 14156016), (48, 13271265), (54, 11796680), (56, 11375370), (60, 10617012), (63, 10111440), (70, 9100296), (72, 8847510), (80, 7962759), (84, 7583580), (90, 7078008), (105, 6066864), (108, 5898340), (112, 5687685), (120, 5308506), (126, 5055720), (135, 4718672), (140, 4550148), (144, 4423755), (168, 3791790), (180, 3539004), (189, 3370480), (210, 3033432), (216, 2949170), (240, 2654253), (252, 2527860), (270, 2359336), (280, 2275074), (315, 2022288), (336, 1895895), (360, 1769502), (378, 1685240), (420, 1516716), (432, 1474585), (504, 1263930), (540, 1179668), (560, 1137537), (630, 1011144), (720, 884751), (756, 842620), (840, 758358), (945, 674096), (1008, 631965), (1080, 589834), (1260, 505572), (1512, 421310), (1680, 379179), (1890, 337048), (2160, 294917), (2520, 252786), (3024, 210655), (3780, 168524), (5040, 126393), (7560, 84262), (15120, 42131)]