1780341760

素因数分解:

$2^{10}\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3907}}^1$

素因数の和:4021

約数の個数: 88

約数和(自身を含む): 4319825040

約数和(自身を除く): 2539483280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 256, 320, 356, 445, 512, 640, 712, 890, 1024, 1280, 1424, 1780, 2560, 2848, 3560, 3907, 5120, 5696, 7120, 7814, 11392, 14240, 15628, 19535, 22784, 28480, 31256, 39070, 45568, 56960, 62512, 78140, 91136, 113920, 125024, 156280, 227840, 250048, 312560, 347723, 455680, 500096, 625120, 695446, 1000192, 1250240, 1390892, 1738615, 2000384, 2500480, 2781784, 3477230, 4000768, 5000960, 5563568, 6954460, 10001920, 11127136, 13908920, 20003840, 22254272, 27817840, 44508544, 55635680, 89017088, 111271360, 178034176, 222542720, 356068352, 445085440, 890170880, 1780341760]

約数ペア:

[(1, 1780341760), (2, 890170880), (4, 445085440), (5, 356068352), (8, 222542720), (10, 178034176), (16, 111271360), (20, 89017088), (32, 55635680), (40, 44508544), (64, 27817840), (80, 22254272), (89, 20003840), (128, 13908920), (160, 11127136), (178, 10001920), (256, 6954460), (320, 5563568), (356, 5000960), (445, 4000768), (512, 3477230), (640, 2781784), (712, 2500480), (890, 2000384), (1024, 1738615), (1280, 1390892), (1424, 1250240), (1780, 1000192), (2560, 695446), (2848, 625120), (3560, 500096), (3907, 455680), (5120, 347723), (5696, 312560), (7120, 250048), (7814, 227840), (11392, 156280), (14240, 125024), (15628, 113920), (19535, 91136), (22784, 78140), (28480, 62512), (31256, 56960), (39070, 45568)]