16461440

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1$

素因数の和:142

約数の個数: 96

約数和(自身を含む): 42273900

約数和(自身を除く): 25812460

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 89, 128, 136, 160, 170, 178, 272, 289, 320, 340, 356, 445, 544, 578, 640, 680, 712, 890, 1088, 1156, 1360, 1424, 1445, 1513, 1780, 2176, 2312, 2720, 2848, 2890, 3026, 3560, 4624, 5440, 5696, 5780, 6052, 7120, 7565, 9248, 10880, 11392, 11560, 12104, 14240, 15130, 18496, 23120, 24208, 25721, 28480, 30260, 36992, 46240, 48416, 51442, 56960, 60520, 92480, 96832, 102884, 121040, 128605, 184960, 193664, 205768, 242080, 257210, 411536, 484160, 514420, 823072, 968320, 1028840, 1646144, 2057680, 3292288, 4115360, 8230720, 16461440]

約数ペア:

[(1, 16461440), (2, 8230720), (4, 4115360), (5, 3292288), (8, 2057680), (10, 1646144), (16, 1028840), (17, 968320), (20, 823072), (32, 514420), (34, 484160), (40, 411536), (64, 257210), (68, 242080), (80, 205768), (85, 193664), (89, 184960), (128, 128605), (136, 121040), (160, 102884), (170, 96832), (178, 92480), (272, 60520), (289, 56960), (320, 51442), (340, 48416), (356, 46240), (445, 36992), (544, 30260), (578, 28480), (640, 25721), (680, 24208), (712, 23120), (890, 18496), (1088, 15130), (1156, 14240), (1360, 12104), (1424, 11560), (1445, 11392), (1513, 10880), (1780, 9248), (2176, 7565), (2312, 7120), (2720, 6052), (2848, 5780), (2890, 5696), (3026, 5440), (3560, 4624)]