121278720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31583}}^1$

素因数の和:31607

約数の個数: 72

約数和(自身を含む): 387346176

約数和(自身を除く): 266067456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 31583, 63166, 94749, 126332, 157915, 189498, 252664, 315830, 378996, 473745, 505328, 631660, 757992, 947490, 1010656, 1263320, 1515984, 1894980, 2021312, 2526640, 3031968, 3789960, 4042624, 5053280, 6063936, 7579920, 8085248, 10106560, 12127872, 15159840, 20213120, 24255744, 30319680, 40426240, 60639360, 121278720]

約数ペア:

[(1, 121278720), (2, 60639360), (3, 40426240), (4, 30319680), (5, 24255744), (6, 20213120), (8, 15159840), (10, 12127872), (12, 10106560), (15, 8085248), (16, 7579920), (20, 6063936), (24, 5053280), (30, 4042624), (32, 3789960), (40, 3031968), (48, 2526640), (60, 2021312), (64, 1894980), (80, 1515984), (96, 1263320), (120, 1010656), (128, 947490), (160, 757992), (192, 631660), (240, 505328), (256, 473745), (320, 378996), (384, 315830), (480, 252664), (640, 189498), (768, 157915), (960, 126332), (1280, 94749), (1920, 63166), (3840, 31583)]