42789420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2671}}^1$

素因数の和:2775

約数の個数: 72

約数和(自身を含む): 131302080

約数和(自身を除く): 88512660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 2671, 3204, 4005, 5340, 5342, 8010, 8013, 10684, 13355, 16020, 16026, 24039, 26710, 32052, 40065, 48078, 53420, 80130, 96156, 120195, 160260, 237719, 240390, 475438, 480780, 713157, 950876, 1188595, 1426314, 2139471, 2377190, 2852628, 3565785, 4278942, 4754380, 7131570, 8557884, 10697355, 14263140, 21394710, 42789420]

約数ペア:

[(1, 42789420), (2, 21394710), (3, 14263140), (4, 10697355), (5, 8557884), (6, 7131570), (9, 4754380), (10, 4278942), (12, 3565785), (15, 2852628), (18, 2377190), (20, 2139471), (30, 1426314), (36, 1188595), (45, 950876), (60, 713157), (89, 480780), (90, 475438), (178, 240390), (180, 237719), (267, 160260), (356, 120195), (445, 96156), (534, 80130), (801, 53420), (890, 48078), (1068, 40065), (1335, 32052), (1602, 26710), (1780, 24039), (2670, 16026), (2671, 16020), (3204, 13355), (4005, 10684), (5340, 8013), (5342, 8010)]