861291278820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{15896849}}^1$

素因数の和:15896914

約数の個数: 144

約数和(自身を含む): 3055247395200

約数和(自身を除く): 2193956116380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 387, 420, 430, 516, 602, 630, 645, 774, 860, 903, 1204, 1260, 1290, 1505, 1548, 1806, 1935, 2580, 2709, 3010, 3612, 3870, 4515, 5418, 6020, 7740, 9030, 10836, 13545, 18060, 27090, 54180, 15896849, 31793698, 47690547, 63587396, 79484245, 95381094, 111277943, 143071641, 158968490, 190762188, 222555886, 238452735, 286143282, 317936980, 333833829, 445111772, 476905470, 556389715, 572286564, 667667658, 683564507, 715358205, 953810940, 1001501487, 1112779430, 1335335316, 1367129014, 1430716410, 1669169145, 2003002974, 2050693521, 2225558860, 2734258028, 2861432820, 3338338290, 3417822535, 4006005948, 4101387042, 4784951549, 5007507435, 6152080563, 6676676580, 6835645070, 8202774084, 9569903098, 10015014870, 10253467605, 12304161126, 13671290140, 14354854647, 19139806196, 20030029740, 20506935210, 23924757745, 24608322252, 28709709294, 30760402815, 41013870420, 43064563941, 47849515490, 57419418588, 61520805630, 71774273235, 86129127882, 95699030980, 123041611260, 143548546470, 172258255764, 215322819705, 287097092940, 430645639410, 861291278820]

約数ペア:

[(1, 861291278820), (2, 430645639410), (3, 287097092940), (4, 215322819705), (5, 172258255764), (6, 143548546470), (7, 123041611260), (9, 95699030980), (10, 86129127882), (12, 71774273235), (14, 61520805630), (15, 57419418588), (18, 47849515490), (20, 43064563941), (21, 41013870420), (28, 30760402815), (30, 28709709294), (35, 24608322252), (36, 23924757745), (42, 20506935210), (43, 20030029740), (45, 19139806196), (60, 14354854647), (63, 13671290140), (70, 12304161126), (84, 10253467605), (86, 10015014870), (90, 9569903098), (105, 8202774084), (126, 6835645070), (129, 6676676580), (140, 6152080563), (172, 5007507435), (180, 4784951549), (210, 4101387042), (215, 4006005948), (252, 3417822535), (258, 3338338290), (301, 2861432820), (315, 2734258028), (387, 2225558860), (420, 2050693521), (430, 2003002974), (516, 1669169145), (602, 1430716410), (630, 1367129014), (645, 1335335316), (774, 1112779430), (860, 1001501487), (903, 953810940), (1204, 715358205), (1260, 683564507), (1290, 667667658), (1505, 572286564), (1548, 556389715), (1806, 476905470), (1935, 445111772), (2580, 333833829), (2709, 317936980), (3010, 286143282), (3612, 238452735), (3870, 222555886), (4515, 190762188), (5418, 158968490), (6020, 143071641), (7740, 111277943), (9030, 95381094), (10836, 79484245), (13545, 63587396), (18060, 47690547), (27090, 31793698), (54180, 15896849)]