247320480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1511}}^1$

素因数の和:1571

約数の個数: 192

約数和(自身を含む): 877879296

約数和(自身を除く): 630558816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 32, 33, 40, 44, 48, 55, 60, 62, 66, 80, 88, 93, 96, 110, 120, 124, 132, 155, 160, 165, 176, 186, 220, 240, 248, 264, 310, 330, 341, 352, 372, 440, 465, 480, 496, 528, 620, 660, 682, 744, 880, 930, 992, 1023, 1056, 1240, 1320, 1364, 1488, 1511, 1705, 1760, 1860, 2046, 2480, 2640, 2728, 2976, 3022, 3410, 3720, 4092, 4533, 4960, 5115, 5280, 5456, 6044, 6820, 7440, 7555, 8184, 9066, 10230, 10912, 12088, 13640, 14880, 15110, 16368, 16621, 18132, 20460, 22665, 24176, 27280, 30220, 32736, 33242, 36264, 40920, 45330, 46841, 48352, 49863, 54560, 60440, 66484, 72528, 81840, 83105, 90660, 93682, 99726, 120880, 132968, 140523, 145056, 163680, 166210, 181320, 187364, 199452, 234205, 241760, 249315, 265936, 281046, 332420, 362640, 374728, 398904, 468410, 498630, 515251, 531872, 562092, 664840, 702615, 725280, 749456, 797808, 936820, 997260, 1030502, 1124184, 1329680, 1405230, 1498912, 1545753, 1595616, 1873640, 1994520, 2061004, 2248368, 2576255, 2659360, 2810460, 3091506, 3747280, 3989040, 4122008, 4496736, 5152510, 5620920, 6183012, 7494560, 7728765, 7978080, 8244016, 10305020, 11241840, 12366024, 15457530, 16488032, 20610040, 22483680, 24732048, 30915060, 41220080, 49464096, 61830120, 82440160, 123660240, 247320480]

約数ペア:

[(1, 247320480), (2, 123660240), (3, 82440160), (4, 61830120), (5, 49464096), (6, 41220080), (8, 30915060), (10, 24732048), (11, 22483680), (12, 20610040), (15, 16488032), (16, 15457530), (20, 12366024), (22, 11241840), (24, 10305020), (30, 8244016), (31, 7978080), (32, 7728765), (33, 7494560), (40, 6183012), (44, 5620920), (48, 5152510), (55, 4496736), (60, 4122008), (62, 3989040), (66, 3747280), (80, 3091506), (88, 2810460), (93, 2659360), (96, 2576255), (110, 2248368), (120, 2061004), (124, 1994520), (132, 1873640), (155, 1595616), (160, 1545753), (165, 1498912), (176, 1405230), (186, 1329680), (220, 1124184), (240, 1030502), (248, 997260), (264, 936820), (310, 797808), (330, 749456), (341, 725280), (352, 702615), (372, 664840), (440, 562092), (465, 531872), (480, 515251), (496, 498630), (528, 468410), (620, 398904), (660, 374728), (682, 362640), (744, 332420), (880, 281046), (930, 265936), (992, 249315), (1023, 241760), (1056, 234205), (1240, 199452), (1320, 187364), (1364, 181320), (1488, 166210), (1511, 163680), (1705, 145056), (1760, 140523), (1860, 132968), (2046, 120880), (2480, 99726), (2640, 93682), (2728, 90660), (2976, 83105), (3022, 81840), (3410, 72528), (3720, 66484), (4092, 60440), (4533, 54560), (4960, 49863), (5115, 48352), (5280, 46841), (5456, 45330), (6044, 40920), (6820, 36264), (7440, 33242), (7555, 32736), (8184, 30220), (9066, 27280), (10230, 24176), (10912, 22665), (12088, 20460), (13640, 18132), (14880, 16621), (15110, 16368)]