28088460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 92252160

約数和(自身を除く): 64163700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 43, 45, 57, 60, 76, 86, 90, 95, 114, 129, 171, 172, 180, 190, 191, 215, 228, 258, 285, 342, 380, 382, 387, 430, 516, 570, 573, 645, 684, 764, 774, 817, 855, 860, 955, 1140, 1146, 1290, 1548, 1634, 1710, 1719, 1910, 1935, 2292, 2451, 2580, 2865, 3268, 3420, 3438, 3629, 3820, 3870, 4085, 4902, 5730, 6876, 7258, 7353, 7740, 8170, 8213, 8595, 9804, 10887, 11460, 12255, 14516, 14706, 16340, 16426, 17190, 18145, 21774, 24510, 24639, 29412, 32661, 32852, 34380, 36290, 36765, 41065, 43548, 49020, 49278, 54435, 65322, 72580, 73530, 73917, 82130, 98556, 108870, 123195, 130644, 147060, 147834, 156047, 163305, 164260, 217740, 246390, 295668, 312094, 326610, 369585, 468141, 492780, 624188, 653220, 739170, 780235, 936282, 1404423, 1478340, 1560470, 1872564, 2340705, 2808846, 3120940, 4681410, 5617692, 7022115, 9362820, 14044230, 28088460]

約数ペア:

[(1, 28088460), (2, 14044230), (3, 9362820), (4, 7022115), (5, 5617692), (6, 4681410), (9, 3120940), (10, 2808846), (12, 2340705), (15, 1872564), (18, 1560470), (19, 1478340), (20, 1404423), (30, 936282), (36, 780235), (38, 739170), (43, 653220), (45, 624188), (57, 492780), (60, 468141), (76, 369585), (86, 326610), (90, 312094), (95, 295668), (114, 246390), (129, 217740), (171, 164260), (172, 163305), (180, 156047), (190, 147834), (191, 147060), (215, 130644), (228, 123195), (258, 108870), (285, 98556), (342, 82130), (380, 73917), (382, 73530), (387, 72580), (430, 65322), (516, 54435), (570, 49278), (573, 49020), (645, 43548), (684, 41065), (764, 36765), (774, 36290), (817, 34380), (855, 32852), (860, 32661), (955, 29412), (1140, 24639), (1146, 24510), (1290, 21774), (1548, 18145), (1634, 17190), (1710, 16426), (1719, 16340), (1910, 14706), (1935, 14516), (2292, 12255), (2451, 11460), (2580, 10887), (2865, 9804), (3268, 8595), (3420, 8213), (3438, 8170), (3629, 7740), (3820, 7353), (3870, 7258), (4085, 6876), (4902, 5730)]