28413840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1301}}^1$

素因数の和:1337

約数の個数: 160

約数和(自身を含む): 108493056

約数和(自身を除く): 80079216

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1301, 1365, 1456, 1560, 1680, 1820, 2184, 2602, 2730, 3120, 3640, 3903, 4368, 5204, 5460, 6505, 7280, 7806, 9107, 10408, 10920, 13010, 15612, 16913, 18214, 19515, 20816, 21840, 26020, 27321, 31224, 33826, 36428, 39030, 45535, 50739, 52040, 54642, 62448, 67652, 72856, 78060, 84565, 91070, 101478, 104080, 109284, 118391, 135304, 136605, 145712, 156120, 169130, 182140, 202956, 218568, 236782, 253695, 270608, 273210, 312240, 338260, 355173, 364280, 405912, 437136, 473564, 507390, 546420, 591955, 676520, 710346, 728560, 811824, 947128, 1014780, 1092840, 1183910, 1353040, 1420692, 1775865, 1894256, 2029560, 2185680, 2367820, 2841384, 3551730, 4059120, 4735640, 5682768, 7103460, 9471280, 14206920, 28413840]

約数ペア:

[(1, 28413840), (2, 14206920), (3, 9471280), (4, 7103460), (5, 5682768), (6, 4735640), (7, 4059120), (8, 3551730), (10, 2841384), (12, 2367820), (13, 2185680), (14, 2029560), (15, 1894256), (16, 1775865), (20, 1420692), (21, 1353040), (24, 1183910), (26, 1092840), (28, 1014780), (30, 947128), (35, 811824), (39, 728560), (40, 710346), (42, 676520), (48, 591955), (52, 546420), (56, 507390), (60, 473564), (65, 437136), (70, 405912), (78, 364280), (80, 355173), (84, 338260), (91, 312240), (104, 273210), (105, 270608), (112, 253695), (120, 236782), (130, 218568), (140, 202956), (156, 182140), (168, 169130), (182, 156120), (195, 145712), (208, 136605), (210, 135304), (240, 118391), (260, 109284), (273, 104080), (280, 101478), (312, 91070), (336, 84565), (364, 78060), (390, 72856), (420, 67652), (455, 62448), (520, 54642), (546, 52040), (560, 50739), (624, 45535), (728, 39030), (780, 36428), (840, 33826), (910, 31224), (1040, 27321), (1092, 26020), (1301, 21840), (1365, 20816), (1456, 19515), (1560, 18214), (1680, 16913), (1820, 15612), (2184, 13010), (2602, 10920), (2730, 10408), (3120, 9107), (3640, 7806), (3903, 7280), (4368, 6505), (5204, 5460)]