287392140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{13417}}^1$

素因数の和:13456

約数の個数: 144

約数和(自身を含む): 1054976832

約数和(自身を除く): 767584692

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3570, 4284, 5355, 7140, 10710, 13417, 21420, 26834, 40251, 53668, 67085, 80502, 93919, 120753, 134170, 161004, 187838, 201255, 228089, 241506, 268340, 281757, 375676, 402510, 456178, 469595, 483012, 563514, 603765, 684267, 805020, 845271, 912356, 939190, 1127028, 1140445, 1207530, 1368534, 1408785, 1596623, 1690542, 1878380, 2052801, 2280890, 2415060, 2737068, 2817570, 3193246, 3381084, 3421335, 4105602, 4226355, 4561780, 4789869, 5635140, 6386492, 6842670, 7983115, 8211204, 8452710, 9579738, 10264005, 13685340, 14369607, 15966230, 16905420, 19159476, 20528010, 23949345, 28739214, 31932460, 41056020, 47898690, 57478428, 71848035, 95797380, 143696070, 287392140]

約数ペア:

[(1, 287392140), (2, 143696070), (3, 95797380), (4, 71848035), (5, 57478428), (6, 47898690), (7, 41056020), (9, 31932460), (10, 28739214), (12, 23949345), (14, 20528010), (15, 19159476), (17, 16905420), (18, 15966230), (20, 14369607), (21, 13685340), (28, 10264005), (30, 9579738), (34, 8452710), (35, 8211204), (36, 7983115), (42, 6842670), (45, 6386492), (51, 5635140), (60, 4789869), (63, 4561780), (68, 4226355), (70, 4105602), (84, 3421335), (85, 3381084), (90, 3193246), (102, 2817570), (105, 2737068), (119, 2415060), (126, 2280890), (140, 2052801), (153, 1878380), (170, 1690542), (180, 1596623), (204, 1408785), (210, 1368534), (238, 1207530), (252, 1140445), (255, 1127028), (306, 939190), (315, 912356), (340, 845271), (357, 805020), (420, 684267), (476, 603765), (510, 563514), (595, 483012), (612, 469595), (630, 456178), (714, 402510), (765, 375676), (1020, 281757), (1071, 268340), (1190, 241506), (1260, 228089), (1428, 201255), (1530, 187838), (1785, 161004), (2142, 134170), (2380, 120753), (3060, 93919), (3570, 80502), (4284, 67085), (5355, 53668), (7140, 40251), (10710, 26834), (13417, 21420)]