27885720780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1871}}^1\times {\mathrm{2671}}^1$

素因数の和:4588

約数の個数: 144

約数和(自身を含む): 87394664448

約数和(自身を除く): 59508943668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 1871, 2671, 2790, 3742, 5342, 5580, 5613, 7484, 8013, 9355, 10684, 11226, 13355, 16026, 16839, 18710, 22452, 24039, 26710, 28065, 32052, 33678, 37420, 40065, 48078, 53420, 56130, 58001, 67356, 80130, 82801, 84195, 96156, 112260, 116002, 120195, 160260, 165602, 168390, 174003, 232004, 240390, 248403, 290005, 331204, 336780, 348006, 414005, 480780, 496806, 522009, 580010, 696012, 745209, 828010, 870015, 993612, 1044018, 1160020, 1242015, 1490418, 1656020, 1740030, 2088036, 2484030, 2610045, 2980836, 3480060, 3726045, 4968060, 4997441, 5220090, 7452090, 9994882, 10440180, 14904180, 14992323, 19989764, 24987205, 29984646, 44976969, 49974410, 59969292, 74961615, 89953938, 99948820, 149923230, 154920671, 179907876, 224884845, 299846460, 309841342, 449769690, 464762013, 619682684, 774603355, 899539380, 929524026, 1394286039, 1549206710, 1859048052, 2323810065, 2788572078, 3098413420, 4647620130, 5577144156, 6971430195, 9295240260, 13942860390, 27885720780]

約数ペア:

[(1, 27885720780), (2, 13942860390), (3, 9295240260), (4, 6971430195), (5, 5577144156), (6, 4647620130), (9, 3098413420), (10, 2788572078), (12, 2323810065), (15, 1859048052), (18, 1549206710), (20, 1394286039), (30, 929524026), (31, 899539380), (36, 774603355), (45, 619682684), (60, 464762013), (62, 449769690), (90, 309841342), (93, 299846460), (124, 224884845), (155, 179907876), (180, 154920671), (186, 149923230), (279, 99948820), (310, 89953938), (372, 74961615), (465, 59969292), (558, 49974410), (620, 44976969), (930, 29984646), (1116, 24987205), (1395, 19989764), (1860, 14992323), (1871, 14904180), (2671, 10440180), (2790, 9994882), (3742, 7452090), (5342, 5220090), (5580, 4997441), (5613, 4968060), (7484, 3726045), (8013, 3480060), (9355, 2980836), (10684, 2610045), (11226, 2484030), (13355, 2088036), (16026, 1740030), (16839, 1656020), (18710, 1490418), (22452, 1242015), (24039, 1160020), (26710, 1044018), (28065, 993612), (32052, 870015), (33678, 828010), (37420, 745209), (40065, 696012), (48078, 580010), (53420, 522009), (56130, 496806), (58001, 480780), (67356, 414005), (80130, 348006), (82801, 336780), (84195, 331204), (96156, 290005), (112260, 248403), (116002, 240390), (120195, 232004), (160260, 174003), (165602, 168390)]