78615180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1451}}^1$

素因数の和:1516

約数の個数: 144

約数和(自身を含む): 279062784

約数和(自身を除く): 200447604

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, 1451, 1505, 1548, 1806, 1935, 2580, 2709, 2902, 3010, 3612, 3870, 4353, 4515, 5418, 5804, 6020, 7255, 7740, 8706, 9030, 10157, 10836, 13059, 13545, 14510, 17412, 18060, 20314, 21765, 26118, 27090, 29020, 30471, 40628, 43530, 50785, 52236, 54180, 60942, 62393, 65295, 87060, 91413, 101570, 121884, 124786, 130590, 152355, 182826, 187179, 203140, 249572, 261180, 304710, 311965, 365652, 374358, 436751, 457065, 561537, 609420, 623930, 748716, 873502, 914130, 935895, 1123074, 1247860, 1310253, 1747004, 1828260, 1871790, 2183755, 2246148, 2620506, 2807685, 3743580, 3930759, 4367510, 5241012, 5615370, 6551265, 7861518, 8735020, 11230740, 13102530, 15723036, 19653795, 26205060, 39307590, 78615180]

約数ペア:

[(1, 78615180), (2, 39307590), (3, 26205060), (4, 19653795), (5, 15723036), (6, 13102530), (7, 11230740), (9, 8735020), (10, 7861518), (12, 6551265), (14, 5615370), (15, 5241012), (18, 4367510), (20, 3930759), (21, 3743580), (28, 2807685), (30, 2620506), (35, 2246148), (36, 2183755), (42, 1871790), (43, 1828260), (45, 1747004), (60, 1310253), (63, 1247860), (70, 1123074), (84, 935895), (86, 914130), (90, 873502), (105, 748716), (126, 623930), (129, 609420), (140, 561537), (172, 457065), (180, 436751), (210, 374358), (215, 365652), (252, 311965), (258, 304710), (301, 261180), (315, 249572), (387, 203140), (420, 187179), (430, 182826), (516, 152355), (602, 130590), (630, 124786), (645, 121884), (774, 101570), (860, 91413), (903, 87060), (1204, 65295), (1260, 62393), (1290, 60942), (1451, 54180), (1505, 52236), (1548, 50785), (1806, 43530), (1935, 40628), (2580, 30471), (2709, 29020), (2902, 27090), (3010, 26118), (3612, 21765), (3870, 20314), (4353, 18060), (4515, 17412), (5418, 14510), (5804, 13545), (6020, 13059), (7255, 10836), (7740, 10157), (8706, 9030)]