290335440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{353}}^1$

素因数の和:541

約数の個数: 160

約数和(自身を含む): 948153600

約数和(自身を除く): 657818160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 149, 184, 230, 240, 276, 298, 345, 353, 368, 447, 460, 552, 596, 690, 706, 745, 894, 920, 1059, 1104, 1192, 1380, 1412, 1490, 1765, 1788, 1840, 2118, 2235, 2384, 2760, 2824, 2980, 3427, 3530, 3576, 4236, 4470, 5295, 5520, 5648, 5960, 6854, 7060, 7152, 8119, 8472, 8940, 10281, 10590, 11920, 13708, 14120, 16238, 16944, 17135, 17880, 20562, 21180, 24357, 27416, 28240, 32476, 34270, 35760, 40595, 41124, 42360, 48714, 51405, 52597, 54832, 64952, 68540, 81190, 82248, 84720, 97428, 102810, 105194, 121785, 129904, 137080, 157791, 162380, 164496, 194856, 205620, 210388, 243570, 262985, 274160, 315582, 324760, 389712, 411240, 420776, 487140, 525970, 631164, 649520, 788955, 822480, 841552, 974280, 1051940, 1209731, 1262328, 1577910, 1948560, 2103880, 2419462, 2524656, 3155820, 3629193, 4207760, 4838924, 6048655, 6311640, 7258386, 9677848, 12097310, 12623280, 14516772, 18145965, 19355696, 24194620, 29033544, 36291930, 48389240, 58067088, 72583860, 96778480, 145167720, 290335440]

約数ペア:

[(1, 290335440), (2, 145167720), (3, 96778480), (4, 72583860), (5, 58067088), (6, 48389240), (8, 36291930), (10, 29033544), (12, 24194620), (15, 19355696), (16, 18145965), (20, 14516772), (23, 12623280), (24, 12097310), (30, 9677848), (40, 7258386), (46, 6311640), (48, 6048655), (60, 4838924), (69, 4207760), (80, 3629193), (92, 3155820), (115, 2524656), (120, 2419462), (138, 2103880), (149, 1948560), (184, 1577910), (230, 1262328), (240, 1209731), (276, 1051940), (298, 974280), (345, 841552), (353, 822480), (368, 788955), (447, 649520), (460, 631164), (552, 525970), (596, 487140), (690, 420776), (706, 411240), (745, 389712), (894, 324760), (920, 315582), (1059, 274160), (1104, 262985), (1192, 243570), (1380, 210388), (1412, 205620), (1490, 194856), (1765, 164496), (1788, 162380), (1840, 157791), (2118, 137080), (2235, 129904), (2384, 121785), (2760, 105194), (2824, 102810), (2980, 97428), (3427, 84720), (3530, 82248), (3576, 81190), (4236, 68540), (4470, 64952), (5295, 54832), (5520, 52597), (5648, 51405), (5960, 48714), (6854, 42360), (7060, 41124), (7152, 40595), (8119, 35760), (8472, 34270), (8940, 32476), (10281, 28240), (10590, 27416), (11920, 24357), (13708, 21180), (14120, 20562), (16238, 17880), (16944, 17135)]