30488920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:569

約数の個数: 128

約数和(自身を含む): 90201600

約数和(自身を除く): 59712680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 88, 95, 110, 133, 140, 152, 154, 190, 209, 220, 266, 280, 308, 380, 385, 418, 440, 521, 532, 616, 665, 760, 770, 836, 1042, 1045, 1064, 1330, 1463, 1540, 1672, 2084, 2090, 2605, 2660, 2926, 3080, 3647, 4168, 4180, 5210, 5320, 5731, 5852, 7294, 7315, 8360, 9899, 10420, 11462, 11704, 14588, 14630, 18235, 19798, 20840, 22924, 28655, 29176, 29260, 36470, 39596, 40117, 45848, 49495, 57310, 58520, 69293, 72940, 79192, 80234, 98990, 108889, 114620, 138586, 145880, 160468, 197980, 200585, 217778, 229240, 277172, 320936, 346465, 395960, 401170, 435556, 544445, 554344, 692930, 762223, 802340, 871112, 1088890, 1385860, 1524446, 1604680, 2177780, 2771720, 3048892, 3811115, 4355560, 6097784, 7622230, 15244460, 30488920]

約数ペア:

[(1, 30488920), (2, 15244460), (4, 7622230), (5, 6097784), (7, 4355560), (8, 3811115), (10, 3048892), (11, 2771720), (14, 2177780), (19, 1604680), (20, 1524446), (22, 1385860), (28, 1088890), (35, 871112), (38, 802340), (40, 762223), (44, 692930), (55, 554344), (56, 544445), (70, 435556), (76, 401170), (77, 395960), (88, 346465), (95, 320936), (110, 277172), (133, 229240), (140, 217778), (152, 200585), (154, 197980), (190, 160468), (209, 145880), (220, 138586), (266, 114620), (280, 108889), (308, 98990), (380, 80234), (385, 79192), (418, 72940), (440, 69293), (521, 58520), (532, 57310), (616, 49495), (665, 45848), (760, 40117), (770, 39596), (836, 36470), (1042, 29260), (1045, 29176), (1064, 28655), (1330, 22924), (1463, 20840), (1540, 19798), (1672, 18235), (2084, 14630), (2090, 14588), (2605, 11704), (2660, 11462), (2926, 10420), (3080, 9899), (3647, 8360), (4168, 7315), (4180, 7294), (5210, 5852), (5320, 5731)]