30385980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{757}}^1$

素因数の和:995

約数の個数: 72

約数和(自身を含む): 92706432

約数和(自身を除く): 62320452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 223, 446, 669, 757, 892, 1115, 1338, 1514, 2007, 2230, 2271, 2676, 3028, 3345, 3785, 4014, 4460, 4542, 6690, 6813, 7570, 8028, 9084, 10035, 11355, 13380, 13626, 15140, 20070, 22710, 27252, 34065, 40140, 45420, 68130, 136260, 168811, 337622, 506433, 675244, 844055, 1012866, 1519299, 1688110, 2025732, 2532165, 3038598, 3376220, 5064330, 6077196, 7596495, 10128660, 15192990, 30385980]

約数ペア:

[(1, 30385980), (2, 15192990), (3, 10128660), (4, 7596495), (5, 6077196), (6, 5064330), (9, 3376220), (10, 3038598), (12, 2532165), (15, 2025732), (18, 1688110), (20, 1519299), (30, 1012866), (36, 844055), (45, 675244), (60, 506433), (90, 337622), (180, 168811), (223, 136260), (446, 68130), (669, 45420), (757, 40140), (892, 34065), (1115, 27252), (1338, 22710), (1514, 20070), (2007, 15140), (2230, 13626), (2271, 13380), (2676, 11355), (3028, 10035), (3345, 9084), (3785, 8028), (4014, 7570), (4460, 6813), (4542, 6690)]