42757380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 139754160

約数和(自身を除く): 96996780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 89, 90, 102, 153, 157, 170, 178, 180, 204, 255, 267, 306, 314, 340, 356, 445, 471, 510, 534, 612, 628, 765, 785, 801, 890, 942, 1020, 1068, 1335, 1413, 1513, 1530, 1570, 1602, 1780, 1884, 2355, 2669, 2670, 2826, 3026, 3060, 3140, 3204, 4005, 4539, 4710, 5338, 5340, 5652, 6052, 7065, 7565, 8007, 8010, 9078, 9420, 10676, 13345, 13617, 13973, 14130, 15130, 16014, 16020, 18156, 22695, 24021, 26690, 27234, 27946, 28260, 30260, 32028, 40035, 41919, 45390, 48042, 53380, 54468, 55892, 68085, 69865, 80070, 83838, 90780, 96084, 120105, 125757, 136170, 139730, 160140, 167676, 209595, 237541, 240210, 251514, 272340, 279460, 419190, 475082, 480420, 503028, 628785, 712623, 838380, 950164, 1187705, 1257570, 1425246, 2137869, 2375410, 2515140, 2850492, 3563115, 4275738, 4750820, 7126230, 8551476, 10689345, 14252460, 21378690, 42757380]

約数ペア:

[(1, 42757380), (2, 21378690), (3, 14252460), (4, 10689345), (5, 8551476), (6, 7126230), (9, 4750820), (10, 4275738), (12, 3563115), (15, 2850492), (17, 2515140), (18, 2375410), (20, 2137869), (30, 1425246), (34, 1257570), (36, 1187705), (45, 950164), (51, 838380), (60, 712623), (68, 628785), (85, 503028), (89, 480420), (90, 475082), (102, 419190), (153, 279460), (157, 272340), (170, 251514), (178, 240210), (180, 237541), (204, 209595), (255, 167676), (267, 160140), (306, 139730), (314, 136170), (340, 125757), (356, 120105), (445, 96084), (471, 90780), (510, 83838), (534, 80070), (612, 69865), (628, 68085), (765, 55892), (785, 54468), (801, 53380), (890, 48042), (942, 45390), (1020, 41919), (1068, 40035), (1335, 32028), (1413, 30260), (1513, 28260), (1530, 27946), (1570, 27234), (1602, 26690), (1780, 24021), (1884, 22695), (2355, 18156), (2669, 16020), (2670, 16014), (2826, 15130), (3026, 14130), (3060, 13973), (3140, 13617), (3204, 13345), (4005, 10676), (4539, 9420), (4710, 9078), (5338, 8010), (5340, 8007), (5652, 7565), (6052, 7065)]