480420

素因数分解:

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

素因数の和:189

約数の個数: 72

約数和(自身を含む): 1552824

約数和(自身を除く): 1072404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 157, 170, 180, 204, 255, 306, 314, 340, 471, 510, 612, 628, 765, 785, 942, 1020, 1413, 1530, 1570, 1884, 2355, 2669, 2826, 3060, 3140, 4710, 5338, 5652, 7065, 8007, 9420, 10676, 13345, 14130, 16014, 24021, 26690, 28260, 32028, 40035, 48042, 53380, 80070, 96084, 120105, 160140, 240210, 480420]

約数ペア:

[(1, 480420), (2, 240210), (3, 160140), (4, 120105), (5, 96084), (6, 80070), (9, 53380), (10, 48042), (12, 40035), (15, 32028), (17, 28260), (18, 26690), (20, 24021), (30, 16014), (34, 14130), (36, 13345), (45, 10676), (51, 9420), (60, 8007), (68, 7065), (85, 5652), (90, 5338), (102, 4710), (153, 3140), (157, 3060), (170, 2826), (180, 2669), (204, 2355), (255, 1884), (306, 1570), (314, 1530), (340, 1413), (471, 1020), (510, 942), (612, 785), (628, 765)]