64961280

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{5639}}^1$

素因数の和:5666

約数の個数: 108

約数和(自身を含む): 224799120

約数和(自身を除く): 159837840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5639, 5760, 11278, 11520, 16917, 22556, 28195, 33834, 45112, 50751, 56390, 67668, 84585, 90224, 101502, 112780, 135336, 169170, 180448, 203004, 225560, 253755, 270672, 338340, 360896, 406008, 451120, 507510, 541344, 676680, 721792, 812016, 902240, 1015020, 1082688, 1353360, 1443584, 1624032, 1804480, 2030040, 2165376, 2706720, 3248064, 3608960, 4060080, 4330752, 5413440, 6496128, 7217920, 8120160, 10826880, 12992256, 16240320, 21653760, 32480640, 64961280]

約数ペア:

[(1, 64961280), (2, 32480640), (3, 21653760), (4, 16240320), (5, 12992256), (6, 10826880), (8, 8120160), (9, 7217920), (10, 6496128), (12, 5413440), (15, 4330752), (16, 4060080), (18, 3608960), (20, 3248064), (24, 2706720), (30, 2165376), (32, 2030040), (36, 1804480), (40, 1624032), (45, 1443584), (48, 1353360), (60, 1082688), (64, 1015020), (72, 902240), (80, 812016), (90, 721792), (96, 676680), (120, 541344), (128, 507510), (144, 451120), (160, 406008), (180, 360896), (192, 338340), (240, 270672), (256, 253755), (288, 225560), (320, 203004), (360, 180448), (384, 169170), (480, 135336), (576, 112780), (640, 101502), (720, 90224), (768, 84585), (960, 67668), (1152, 56390), (1280, 50751), (1440, 45112), (1920, 33834), (2304, 28195), (2880, 22556), (3840, 16917), (5639, 11520), (5760, 11278)]