661050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1$

素因数の和:144

約数の個数: 72

約数和(自身を含む): 1929564

約数和(自身を除く): 1268514

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 113, 117, 130, 150, 195, 225, 226, 234, 325, 339, 390, 450, 565, 585, 650, 678, 975, 1017, 1130, 1170, 1469, 1695, 1950, 2034, 2825, 2925, 2938, 3390, 4407, 5085, 5650, 5850, 7345, 8475, 8814, 10170, 13221, 14690, 16950, 22035, 25425, 26442, 36725, 44070, 50850, 66105, 73450, 110175, 132210, 220350, 330525, 661050]

約数ペア:

[(1, 661050), (2, 330525), (3, 220350), (5, 132210), (6, 110175), (9, 73450), (10, 66105), (13, 50850), (15, 44070), (18, 36725), (25, 26442), (26, 25425), (30, 22035), (39, 16950), (45, 14690), (50, 13221), (65, 10170), (75, 8814), (78, 8475), (90, 7345), (113, 5850), (117, 5650), (130, 5085), (150, 4407), (195, 3390), (225, 2938), (226, 2925), (234, 2825), (325, 2034), (339, 1950), (390, 1695), (450, 1469), (565, 1170), (585, 1130), (650, 1017), (678, 975)]