215111640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1321}}^1$

素因数の和:1417

約数の個数: 128

約数和(自身を含む): 685324800

約数和(自身を除く): 470213160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 59, 60, 69, 92, 115, 118, 120, 138, 177, 184, 230, 236, 276, 295, 345, 354, 460, 472, 552, 590, 690, 708, 885, 920, 1180, 1321, 1357, 1380, 1416, 1770, 2360, 2642, 2714, 2760, 3540, 3963, 4071, 5284, 5428, 6605, 6785, 7080, 7926, 8142, 10568, 10856, 13210, 13570, 15852, 16284, 19815, 20355, 26420, 27140, 30383, 31704, 32568, 39630, 40710, 52840, 54280, 60766, 77939, 79260, 81420, 91149, 121532, 151915, 155878, 158520, 162840, 182298, 233817, 243064, 303830, 311756, 364596, 389695, 455745, 467634, 607660, 623512, 729192, 779390, 911490, 935268, 1169085, 1215320, 1558780, 1792597, 1822980, 1870536, 2338170, 3117560, 3585194, 3645960, 4676340, 5377791, 7170388, 8962985, 9352680, 10755582, 14340776, 17925970, 21511164, 26888955, 35851940, 43022328, 53777910, 71703880, 107555820, 215111640]

約数ペア:

[(1, 215111640), (2, 107555820), (3, 71703880), (4, 53777910), (5, 43022328), (6, 35851940), (8, 26888955), (10, 21511164), (12, 17925970), (15, 14340776), (20, 10755582), (23, 9352680), (24, 8962985), (30, 7170388), (40, 5377791), (46, 4676340), (59, 3645960), (60, 3585194), (69, 3117560), (92, 2338170), (115, 1870536), (118, 1822980), (120, 1792597), (138, 1558780), (177, 1215320), (184, 1169085), (230, 935268), (236, 911490), (276, 779390), (295, 729192), (345, 623512), (354, 607660), (460, 467634), (472, 455745), (552, 389695), (590, 364596), (690, 311756), (708, 303830), (885, 243064), (920, 233817), (1180, 182298), (1321, 162840), (1357, 158520), (1380, 155878), (1416, 151915), (1770, 121532), (2360, 91149), (2642, 81420), (2714, 79260), (2760, 77939), (3540, 60766), (3963, 54280), (4071, 52840), (5284, 40710), (5428, 39630), (6605, 32568), (6785, 31704), (7080, 30383), (7926, 27140), (8142, 26420), (10568, 20355), (10856, 19815), (13210, 16284), (13570, 15852)]