30816480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:177

約数の個数: 192

約数和(自身を含む): 106444800

約数和(自身を除く): 75628320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 32, 38, 40, 48, 57, 60, 62, 76, 80, 93, 95, 96, 109, 114, 120, 124, 152, 155, 160, 186, 190, 218, 228, 240, 248, 285, 304, 310, 327, 372, 380, 436, 456, 465, 480, 496, 545, 570, 589, 608, 620, 654, 744, 760, 872, 912, 930, 992, 1090, 1140, 1178, 1240, 1308, 1488, 1520, 1635, 1744, 1767, 1824, 1860, 2071, 2180, 2280, 2356, 2480, 2616, 2945, 2976, 3040, 3270, 3379, 3488, 3534, 3720, 4142, 4360, 4560, 4712, 4960, 5232, 5890, 6213, 6540, 6758, 7068, 7440, 8284, 8720, 8835, 9120, 9424, 10137, 10355, 10464, 11780, 12426, 13080, 13516, 14136, 14880, 16568, 16895, 17440, 17670, 18848, 20274, 20710, 23560, 24852, 26160, 27032, 28272, 31065, 33136, 33790, 35340, 40548, 41420, 47120, 49704, 50685, 52320, 54064, 56544, 62130, 64201, 66272, 67580, 70680, 81096, 82840, 94240, 99408, 101370, 108128, 124260, 128402, 135160, 141360, 162192, 165680, 192603, 198816, 202740, 248520, 256804, 270320, 282720, 321005, 324384, 331360, 385206, 405480, 497040, 513608, 540640, 642010, 770412, 810960, 963015, 994080, 1027216, 1284020, 1540824, 1621920, 1926030, 2054432, 2568040, 3081648, 3852060, 5136080, 6163296, 7704120, 10272160, 15408240, 30816480]

約数ペア:

[(1, 30816480), (2, 15408240), (3, 10272160), (4, 7704120), (5, 6163296), (6, 5136080), (8, 3852060), (10, 3081648), (12, 2568040), (15, 2054432), (16, 1926030), (19, 1621920), (20, 1540824), (24, 1284020), (30, 1027216), (31, 994080), (32, 963015), (38, 810960), (40, 770412), (48, 642010), (57, 540640), (60, 513608), (62, 497040), (76, 405480), (80, 385206), (93, 331360), (95, 324384), (96, 321005), (109, 282720), (114, 270320), (120, 256804), (124, 248520), (152, 202740), (155, 198816), (160, 192603), (186, 165680), (190, 162192), (218, 141360), (228, 135160), (240, 128402), (248, 124260), (285, 108128), (304, 101370), (310, 99408), (327, 94240), (372, 82840), (380, 81096), (436, 70680), (456, 67580), (465, 66272), (480, 64201), (496, 62130), (545, 56544), (570, 54064), (589, 52320), (608, 50685), (620, 49704), (654, 47120), (744, 41420), (760, 40548), (872, 35340), (912, 33790), (930, 33136), (992, 31065), (1090, 28272), (1140, 27032), (1178, 26160), (1240, 24852), (1308, 23560), (1488, 20710), (1520, 20274), (1635, 18848), (1744, 17670), (1767, 17440), (1824, 16895), (1860, 16568), (2071, 14880), (2180, 14136), (2280, 13516), (2356, 13080), (2480, 12426), (2616, 11780), (2945, 10464), (2976, 10355), (3040, 10137), (3270, 9424), (3379, 9120), (3488, 8835), (3534, 8720), (3720, 8284), (4142, 7440), (4360, 7068), (4560, 6758), (4712, 6540), (4960, 6213), (5232, 5890)]