65147580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:520

約数の個数: 144

約数和(自身を含む): 213333120

約数和(自身を除く): 148185540

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, 215, 228, 258, 285, 342, 380, 387, 430, 443, 516, 570, 645, 684, 774, 817, 855, 860, 886, 1140, 1290, 1329, 1548, 1634, 1710, 1772, 1935, 2215, 2451, 2580, 2658, 3268, 3420, 3870, 3987, 4085, 4430, 4902, 5316, 6645, 7353, 7740, 7974, 8170, 8417, 8860, 9804, 12255, 13290, 14706, 15948, 16340, 16834, 19049, 19935, 24510, 25251, 26580, 29412, 33668, 36765, 38098, 39870, 42085, 49020, 50502, 57147, 73530, 75753, 76196, 79740, 84170, 95245, 101004, 114294, 126255, 147060, 151506, 168340, 171441, 190490, 228588, 252510, 285735, 303012, 342882, 361931, 378765, 380980, 505020, 571470, 685764, 723862, 757530, 857205, 1085793, 1142940, 1447724, 1515060, 1714410, 1809655, 2171586, 3257379, 3428820, 3619310, 4343172, 5428965, 6514758, 7238620, 10857930, 13029516, 16286895, 21715860, 32573790, 65147580]

約数ペア:

[(1, 65147580), (2, 32573790), (3, 21715860), (4, 16286895), (5, 13029516), (6, 10857930), (9, 7238620), (10, 6514758), (12, 5428965), (15, 4343172), (18, 3619310), (19, 3428820), (20, 3257379), (30, 2171586), (36, 1809655), (38, 1714410), (43, 1515060), (45, 1447724), (57, 1142940), (60, 1085793), (76, 857205), (86, 757530), (90, 723862), (95, 685764), (114, 571470), (129, 505020), (171, 380980), (172, 378765), (180, 361931), (190, 342882), (215, 303012), (228, 285735), (258, 252510), (285, 228588), (342, 190490), (380, 171441), (387, 168340), (430, 151506), (443, 147060), (516, 126255), (570, 114294), (645, 101004), (684, 95245), (774, 84170), (817, 79740), (855, 76196), (860, 75753), (886, 73530), (1140, 57147), (1290, 50502), (1329, 49020), (1548, 42085), (1634, 39870), (1710, 38098), (1772, 36765), (1935, 33668), (2215, 29412), (2451, 26580), (2580, 25251), (2658, 24510), (3268, 19935), (3420, 19049), (3870, 16834), (3987, 16340), (4085, 15948), (4430, 14706), (4902, 13290), (5316, 12255), (6645, 9804), (7353, 8860), (7740, 8417), (7974, 8170)]