211178760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7963}}^1$

素因数の和:8007

約数の個数: 128

約数和(自身を含む): 722494080

約数和(自身を除く): 511315320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 2040, 2210, 2652, 3315, 4420, 5304, 6630, 7963, 8840, 13260, 15926, 23889, 26520, 31852, 39815, 47778, 63704, 79630, 95556, 103519, 119445, 135371, 159260, 191112, 207038, 238890, 270742, 310557, 318520, 406113, 414076, 477780, 517595, 541484, 621114, 676855, 812226, 828152, 955560, 1035190, 1082968, 1242228, 1353710, 1552785, 1624452, 1759823, 2030565, 2070380, 2484456, 2707420, 3105570, 3248904, 3519646, 4061130, 4140760, 5279469, 5414840, 6211140, 7039292, 8122260, 8799115, 10558938, 12422280, 14078584, 16244520, 17598230, 21117876, 26397345, 35196460, 42235752, 52794690, 70392920, 105589380, 211178760]

約数ペア:

[(1, 211178760), (2, 105589380), (3, 70392920), (4, 52794690), (5, 42235752), (6, 35196460), (8, 26397345), (10, 21117876), (12, 17598230), (13, 16244520), (15, 14078584), (17, 12422280), (20, 10558938), (24, 8799115), (26, 8122260), (30, 7039292), (34, 6211140), (39, 5414840), (40, 5279469), (51, 4140760), (52, 4061130), (60, 3519646), (65, 3248904), (68, 3105570), (78, 2707420), (85, 2484456), (102, 2070380), (104, 2030565), (120, 1759823), (130, 1624452), (136, 1552785), (156, 1353710), (170, 1242228), (195, 1082968), (204, 1035190), (221, 955560), (255, 828152), (260, 812226), (312, 676855), (340, 621114), (390, 541484), (408, 517595), (442, 477780), (510, 414076), (520, 406113), (663, 318520), (680, 310557), (780, 270742), (884, 238890), (1020, 207038), (1105, 191112), (1326, 159260), (1560, 135371), (1768, 119445), (2040, 103519), (2210, 95556), (2652, 79630), (3315, 63704), (4420, 47778), (5304, 39815), (6630, 31852), (7963, 26520), (8840, 23889), (13260, 15926)]