720630

素因数分解:

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

素因数の和:190

約数の個数: 64

約数和(自身を含む): 2047680

約数和(自身を除く): 1327050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 85, 90, 102, 135, 153, 157, 170, 255, 270, 306, 314, 459, 471, 510, 765, 785, 918, 942, 1413, 1530, 1570, 2295, 2355, 2669, 2826, 4239, 4590, 4710, 5338, 7065, 8007, 8478, 13345, 14130, 16014, 21195, 24021, 26690, 40035, 42390, 48042, 72063, 80070, 120105, 144126, 240210, 360315, 720630]

約数ペア:

[(1, 720630), (2, 360315), (3, 240210), (5, 144126), (6, 120105), (9, 80070), (10, 72063), (15, 48042), (17, 42390), (18, 40035), (27, 26690), (30, 24021), (34, 21195), (45, 16014), (51, 14130), (54, 13345), (85, 8478), (90, 8007), (102, 7065), (135, 5338), (153, 4710), (157, 4590), (170, 4239), (255, 2826), (270, 2669), (306, 2355), (314, 2295), (459, 1570), (471, 1530), (510, 1413), (765, 942), (785, 918)]