305534760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3571}}^1$

素因数の和:3639

約数の個数: 128

約数和(自身を含む): 987586560

約数和(自身を除く): 682051800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 31, 40, 46, 60, 62, 69, 92, 93, 115, 120, 124, 138, 155, 184, 186, 230, 248, 276, 310, 345, 372, 460, 465, 552, 620, 690, 713, 744, 920, 930, 1240, 1380, 1426, 1860, 2139, 2760, 2852, 3565, 3571, 3720, 4278, 5704, 7130, 7142, 8556, 10695, 10713, 14260, 14284, 17112, 17855, 21390, 21426, 28520, 28568, 35710, 42780, 42852, 53565, 71420, 82133, 85560, 85704, 107130, 110701, 142840, 164266, 214260, 221402, 246399, 328532, 332103, 410665, 428520, 442804, 492798, 553505, 657064, 664206, 821330, 885608, 985596, 1107010, 1231995, 1328412, 1642660, 1660515, 1971192, 2214020, 2463990, 2546123, 2656824, 3285320, 3321030, 4428040, 4927980, 5092246, 6642060, 7638369, 9855960, 10184492, 12730615, 13284120, 15276738, 20368984, 25461230, 30553476, 38191845, 50922460, 61106952, 76383690, 101844920, 152767380, 305534760]

約数ペア:

[(1, 305534760), (2, 152767380), (3, 101844920), (4, 76383690), (5, 61106952), (6, 50922460), (8, 38191845), (10, 30553476), (12, 25461230), (15, 20368984), (20, 15276738), (23, 13284120), (24, 12730615), (30, 10184492), (31, 9855960), (40, 7638369), (46, 6642060), (60, 5092246), (62, 4927980), (69, 4428040), (92, 3321030), (93, 3285320), (115, 2656824), (120, 2546123), (124, 2463990), (138, 2214020), (155, 1971192), (184, 1660515), (186, 1642660), (230, 1328412), (248, 1231995), (276, 1107010), (310, 985596), (345, 885608), (372, 821330), (460, 664206), (465, 657064), (552, 553505), (620, 492798), (690, 442804), (713, 428520), (744, 410665), (920, 332103), (930, 328532), (1240, 246399), (1380, 221402), (1426, 214260), (1860, 164266), (2139, 142840), (2760, 110701), (2852, 107130), (3565, 85704), (3571, 85560), (3720, 82133), (4278, 71420), (5704, 53565), (7130, 42852), (7142, 42780), (8556, 35710), (10695, 28568), (10713, 28520), (14260, 21426), (14284, 21390), (17112, 17855)]