30724560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:465

約数の個数: 120

約数和(自身を含む): 104264160

約数和(自身を除く): 73539600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 139, 144, 180, 240, 278, 307, 360, 417, 556, 614, 695, 720, 834, 921, 1112, 1228, 1251, 1390, 1535, 1668, 1842, 2085, 2224, 2456, 2502, 2763, 2780, 3070, 3336, 3684, 4170, 4605, 4912, 5004, 5526, 5560, 6140, 6255, 6672, 7368, 8340, 9210, 10008, 11052, 11120, 12280, 12510, 13815, 14736, 16680, 18420, 20016, 22104, 24560, 25020, 27630, 33360, 36840, 42673, 44208, 50040, 55260, 73680, 85346, 100080, 110520, 128019, 170692, 213365, 221040, 256038, 341384, 384057, 426730, 512076, 640095, 682768, 768114, 853460, 1024152, 1280190, 1536228, 1706920, 1920285, 2048304, 2560380, 3072456, 3413840, 3840570, 5120760, 6144912, 7681140, 10241520, 15362280, 30724560]

約数ペア:

[(1, 30724560), (2, 15362280), (3, 10241520), (4, 7681140), (5, 6144912), (6, 5120760), (8, 3840570), (9, 3413840), (10, 3072456), (12, 2560380), (15, 2048304), (16, 1920285), (18, 1706920), (20, 1536228), (24, 1280190), (30, 1024152), (36, 853460), (40, 768114), (45, 682768), (48, 640095), (60, 512076), (72, 426730), (80, 384057), (90, 341384), (120, 256038), (139, 221040), (144, 213365), (180, 170692), (240, 128019), (278, 110520), (307, 100080), (360, 85346), (417, 73680), (556, 55260), (614, 50040), (695, 44208), (720, 42673), (834, 36840), (921, 33360), (1112, 27630), (1228, 25020), (1251, 24560), (1390, 22104), (1535, 20016), (1668, 18420), (1842, 16680), (2085, 14736), (2224, 13815), (2456, 12510), (2502, 12280), (2763, 11120), (2780, 11052), (3070, 10008), (3336, 9210), (3684, 8340), (4170, 7368), (4605, 6672), (4912, 6255), (5004, 6140), (5526, 5560)]