778320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:89

約数の個数: 120

約数和(自身を含む): 2785536

約数和(自身を除く): 2007216

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 47, 48, 60, 69, 72, 80, 90, 92, 94, 115, 120, 138, 141, 144, 180, 184, 188, 207, 230, 235, 240, 276, 282, 345, 360, 368, 376, 414, 423, 460, 470, 552, 564, 690, 705, 720, 752, 828, 846, 920, 940, 1035, 1081, 1104, 1128, 1380, 1410, 1656, 1692, 1840, 1880, 2070, 2115, 2162, 2256, 2760, 2820, 3243, 3312, 3384, 3760, 4140, 4230, 4324, 5405, 5520, 5640, 6486, 6768, 8280, 8460, 8648, 9729, 10810, 11280, 12972, 16215, 16560, 16920, 17296, 19458, 21620, 25944, 32430, 33840, 38916, 43240, 48645, 51888, 64860, 77832, 86480, 97290, 129720, 155664, 194580, 259440, 389160, 778320]

約数ペア:

[(1, 778320), (2, 389160), (3, 259440), (4, 194580), (5, 155664), (6, 129720), (8, 97290), (9, 86480), (10, 77832), (12, 64860), (15, 51888), (16, 48645), (18, 43240), (20, 38916), (23, 33840), (24, 32430), (30, 25944), (36, 21620), (40, 19458), (45, 17296), (46, 16920), (47, 16560), (48, 16215), (60, 12972), (69, 11280), (72, 10810), (80, 9729), (90, 8648), (92, 8460), (94, 8280), (115, 6768), (120, 6486), (138, 5640), (141, 5520), (144, 5405), (180, 4324), (184, 4230), (188, 4140), (207, 3760), (230, 3384), (235, 3312), (240, 3243), (276, 2820), (282, 2760), (345, 2256), (360, 2162), (368, 2115), (376, 2070), (414, 1880), (423, 1840), (460, 1692), (470, 1656), (552, 1410), (564, 1380), (690, 1128), (705, 1104), (720, 1081), (752, 1035), (828, 940), (846, 920)]