123400320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{64271}}^1$

素因数の和:64293

約数の個数: 64

約数和(自身を含む): 393344640

約数和(自身を除く): 269944320

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, 320, 384, 480, 640, 960, 1920, 64271, 128542, 192813, 257084, 321355, 385626, 514168, 642710, 771252, 964065, 1028336, 1285420, 1542504, 1928130, 2056672, 2570840, 3085008, 3856260, 4113344, 5141680, 6170016, 7712520, 8226688, 10283360, 12340032, 15425040, 20566720, 24680064, 30850080, 41133440, 61700160, 123400320]

約数ペア:

[(1, 123400320), (2, 61700160), (3, 41133440), (4, 30850080), (5, 24680064), (6, 20566720), (8, 15425040), (10, 12340032), (12, 10283360), (15, 8226688), (16, 7712520), (20, 6170016), (24, 5141680), (30, 4113344), (32, 3856260), (40, 3085008), (48, 2570840), (60, 2056672), (64, 1928130), (80, 1542504), (96, 1285420), (120, 1028336), (128, 964065), (160, 771252), (192, 642710), (240, 514168), (320, 385626), (384, 321355), (480, 257084), (640, 192813), (960, 128542), (1920, 64271)]