138868480

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:186

約数の個数: 144

約数和(自身を含む): 357618240

約数和(自身を除く): 218749760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 53, 64, 80, 89, 92, 106, 115, 128, 160, 178, 184, 212, 230, 256, 265, 320, 356, 368, 424, 445, 460, 530, 640, 712, 736, 848, 890, 920, 1060, 1219, 1280, 1424, 1472, 1696, 1780, 1840, 2047, 2120, 2438, 2848, 2944, 3392, 3560, 3680, 4094, 4240, 4717, 4876, 5696, 5888, 6095, 6784, 7120, 7360, 8188, 8480, 9434, 9752, 10235, 11392, 12190, 13568, 14240, 14720, 16376, 16960, 18868, 19504, 20470, 22784, 23585, 24380, 28480, 29440, 32752, 33920, 37736, 39008, 40940, 47170, 48760, 56960, 65504, 67840, 75472, 78016, 81880, 94340, 97520, 108491, 113920, 131008, 150944, 156032, 163760, 188680, 195040, 216982, 262016, 301888, 312064, 327520, 377360, 390080, 433964, 524032, 542455, 603776, 655040, 754720, 780160, 867928, 1084910, 1207552, 1310080, 1509440, 1560320, 1735856, 2169820, 2620160, 3018880, 3471712, 4339640, 6037760, 6943424, 8679280, 13886848, 17358560, 27773696, 34717120, 69434240, 138868480]

約数ペア:

[(1, 138868480), (2, 69434240), (4, 34717120), (5, 27773696), (8, 17358560), (10, 13886848), (16, 8679280), (20, 6943424), (23, 6037760), (32, 4339640), (40, 3471712), (46, 3018880), (53, 2620160), (64, 2169820), (80, 1735856), (89, 1560320), (92, 1509440), (106, 1310080), (115, 1207552), (128, 1084910), (160, 867928), (178, 780160), (184, 754720), (212, 655040), (230, 603776), (256, 542455), (265, 524032), (320, 433964), (356, 390080), (368, 377360), (424, 327520), (445, 312064), (460, 301888), (530, 262016), (640, 216982), (712, 195040), (736, 188680), (848, 163760), (890, 156032), (920, 150944), (1060, 131008), (1219, 113920), (1280, 108491), (1424, 97520), (1472, 94340), (1696, 81880), (1780, 78016), (1840, 75472), (2047, 67840), (2120, 65504), (2438, 56960), (2848, 48760), (2944, 47170), (3392, 40940), (3560, 39008), (3680, 37736), (4094, 33920), (4240, 32752), (4717, 29440), (4876, 28480), (5696, 24380), (5888, 23585), (6095, 22784), (6784, 20470), (7120, 19504), (7360, 18868), (8188, 16960), (8480, 16376), (9434, 14720), (9752, 14240), (10235, 13568), (11392, 12190)]