561860560

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:245

約数の個数: 160

約数和(自身を含む): 1427051520

約数和(自身を除く): 865190960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 47, 73, 80, 89, 92, 94, 115, 146, 178, 184, 188, 230, 235, 292, 356, 365, 368, 376, 445, 460, 470, 584, 712, 730, 752, 890, 920, 940, 1081, 1168, 1424, 1460, 1679, 1780, 1840, 1880, 2047, 2162, 2920, 3358, 3431, 3560, 3760, 4094, 4183, 4324, 5405, 5840, 6497, 6716, 6862, 7120, 8188, 8366, 8395, 8648, 10235, 10810, 12994, 13432, 13724, 16376, 16732, 16790, 17155, 17296, 20470, 20915, 21620, 25988, 26864, 27448, 32485, 32752, 33464, 33580, 34310, 40940, 41830, 43240, 51976, 54896, 64970, 66928, 67160, 68620, 78913, 81880, 83660, 86480, 96209, 103952, 129940, 134320, 137240, 149431, 157826, 163760, 167320, 192418, 259880, 274480, 298862, 305359, 315652, 334640, 384836, 394565, 481045, 519760, 597724, 610718, 631304, 747155, 769672, 789130, 962090, 1195448, 1221436, 1262608, 1494310, 1526795, 1539344, 1578260, 1924180, 2390896, 2442872, 2988620, 3053590, 3156520, 3848360, 4885744, 5977240, 6107180, 6313040, 7023257, 7696720, 11954480, 12214360, 14046514, 24428720, 28093028, 35116285, 56186056, 70232570, 112372112, 140465140, 280930280, 561860560]

約数ペア:

[(1, 561860560), (2, 280930280), (4, 140465140), (5, 112372112), (8, 70232570), (10, 56186056), (16, 35116285), (20, 28093028), (23, 24428720), (40, 14046514), (46, 12214360), (47, 11954480), (73, 7696720), (80, 7023257), (89, 6313040), (92, 6107180), (94, 5977240), (115, 4885744), (146, 3848360), (178, 3156520), (184, 3053590), (188, 2988620), (230, 2442872), (235, 2390896), (292, 1924180), (356, 1578260), (365, 1539344), (368, 1526795), (376, 1494310), (445, 1262608), (460, 1221436), (470, 1195448), (584, 962090), (712, 789130), (730, 769672), (752, 747155), (890, 631304), (920, 610718), (940, 597724), (1081, 519760), (1168, 481045), (1424, 394565), (1460, 384836), (1679, 334640), (1780, 315652), (1840, 305359), (1880, 298862), (2047, 274480), (2162, 259880), (2920, 192418), (3358, 167320), (3431, 163760), (3560, 157826), (3760, 149431), (4094, 137240), (4183, 134320), (4324, 129940), (5405, 103952), (5840, 96209), (6497, 86480), (6716, 83660), (6862, 81880), (7120, 78913), (8188, 68620), (8366, 67160), (8395, 66928), (8648, 64970), (10235, 54896), (10810, 51976), (12994, 43240), (13432, 41830), (13724, 40940), (16376, 34310), (16732, 33580), (16790, 33464), (17155, 32752), (17296, 32485), (20470, 27448), (20915, 26864), (21620, 25988)]