80489880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9721}}^1$

素因数の和:9761

約数の個数: 96

約数和(自身を含む): 272993760

約数和(自身を除く): 192503880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2760, 4140, 8280, 9721, 19442, 29163, 38884, 48605, 58326, 77768, 87489, 97210, 116652, 145815, 174978, 194420, 223583, 233304, 291630, 349956, 388840, 437445, 447166, 583260, 670749, 699912, 874890, 894332, 1117915, 1166520, 1341498, 1749780, 1788664, 2012247, 2235830, 2682996, 3353745, 3499560, 4024494, 4471660, 5365992, 6707490, 8048988, 8943320, 10061235, 13414980, 16097976, 20122470, 26829960, 40244940, 80489880]

約数ペア:

[(1, 80489880), (2, 40244940), (3, 26829960), (4, 20122470), (5, 16097976), (6, 13414980), (8, 10061235), (9, 8943320), (10, 8048988), (12, 6707490), (15, 5365992), (18, 4471660), (20, 4024494), (23, 3499560), (24, 3353745), (30, 2682996), (36, 2235830), (40, 2012247), (45, 1788664), (46, 1749780), (60, 1341498), (69, 1166520), (72, 1117915), (90, 894332), (92, 874890), (115, 699912), (120, 670749), (138, 583260), (180, 447166), (184, 437445), (207, 388840), (230, 349956), (276, 291630), (345, 233304), (360, 223583), (414, 194420), (460, 174978), (552, 145815), (690, 116652), (828, 97210), (920, 87489), (1035, 77768), (1380, 58326), (1656, 48605), (2070, 38884), (2760, 29163), (4140, 19442), (8280, 9721)]