30253720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{647}}^1$

素因数の和:832

約数の個数: 64

約数和(自身を含む): 78382080

約数和(自身を除く): 48128360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 167, 280, 334, 647, 668, 835, 1169, 1294, 1336, 1670, 2338, 2588, 3235, 3340, 4529, 4676, 5176, 5845, 6470, 6680, 9058, 9352, 11690, 12940, 18116, 22645, 23380, 25880, 36232, 45290, 46760, 90580, 108049, 181160, 216098, 432196, 540245, 756343, 864392, 1080490, 1512686, 2160980, 3025372, 3781715, 4321960, 6050744, 7563430, 15126860, 30253720]

約数ペア:

[(1, 30253720), (2, 15126860), (4, 7563430), (5, 6050744), (7, 4321960), (8, 3781715), (10, 3025372), (14, 2160980), (20, 1512686), (28, 1080490), (35, 864392), (40, 756343), (56, 540245), (70, 432196), (140, 216098), (167, 181160), (280, 108049), (334, 90580), (647, 46760), (668, 45290), (835, 36232), (1169, 25880), (1294, 23380), (1336, 22645), (1670, 18116), (2338, 12940), (2588, 11690), (3235, 9352), (3340, 9058), (4529, 6680), (4676, 6470), (5176, 5845)]