90338560

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 239515920

約数和(自身を除く): 149177360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 64, 65, 80, 89, 104, 122, 128, 130, 160, 178, 208, 244, 256, 260, 305, 320, 356, 416, 445, 488, 520, 610, 640, 712, 793, 832, 890, 976, 1040, 1157, 1220, 1280, 1424, 1586, 1664, 1780, 1952, 2080, 2314, 2440, 2848, 3172, 3328, 3560, 3904, 3965, 4160, 4628, 4880, 5429, 5696, 5785, 6344, 7120, 7808, 7930, 8320, 9256, 9760, 10858, 11392, 11570, 12688, 14240, 15616, 15860, 16640, 18512, 19520, 21716, 22784, 23140, 25376, 27145, 28480, 31720, 37024, 39040, 43432, 46280, 50752, 54290, 56960, 63440, 70577, 74048, 78080, 86864, 92560, 101504, 108580, 113920, 126880, 141154, 148096, 173728, 185120, 203008, 217160, 253760, 282308, 296192, 347456, 352885, 370240, 434320, 507520, 564616, 694912, 705770, 740480, 868640, 1015040, 1129232, 1389824, 1411540, 1480960, 1737280, 2258464, 2823080, 3474560, 4516928, 5646160, 6949120, 9033856, 11292320, 18067712, 22584640, 45169280, 90338560]

約数ペア:

[(1, 90338560), (2, 45169280), (4, 22584640), (5, 18067712), (8, 11292320), (10, 9033856), (13, 6949120), (16, 5646160), (20, 4516928), (26, 3474560), (32, 2823080), (40, 2258464), (52, 1737280), (61, 1480960), (64, 1411540), (65, 1389824), (80, 1129232), (89, 1015040), (104, 868640), (122, 740480), (128, 705770), (130, 694912), (160, 564616), (178, 507520), (208, 434320), (244, 370240), (256, 352885), (260, 347456), (305, 296192), (320, 282308), (356, 253760), (416, 217160), (445, 203008), (488, 185120), (520, 173728), (610, 148096), (640, 141154), (712, 126880), (793, 113920), (832, 108580), (890, 101504), (976, 92560), (1040, 86864), (1157, 78080), (1220, 74048), (1280, 70577), (1424, 63440), (1586, 56960), (1664, 54290), (1780, 50752), (1952, 46280), (2080, 43432), (2314, 39040), (2440, 37024), (2848, 31720), (3172, 28480), (3328, 27145), (3560, 25376), (3904, 23140), (3965, 22784), (4160, 21716), (4628, 19520), (4880, 18512), (5429, 16640), (5696, 15860), (5785, 15616), (6344, 14240), (7120, 12688), (7808, 11570), (7930, 11392), (8320, 10858), (9256, 9760)]