72892160

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:230

約数の個数: 144

約数和(自身を含む): 197793792

約数和(自身を除く): 124901632

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 167, 176, 220, 248, 256, 310, 320, 334, 341, 352, 440, 496, 620, 640, 668, 682, 704, 835, 880, 992, 1240, 1280, 1336, 1364, 1408, 1670, 1705, 1760, 1837, 1984, 2480, 2672, 2728, 2816, 3340, 3410, 3520, 3674, 3968, 4960, 5177, 5344, 5456, 6680, 6820, 7040, 7348, 7936, 9185, 9920, 10354, 10688, 10912, 13360, 13640, 14080, 14696, 18370, 19840, 20708, 21376, 21824, 25885, 26720, 27280, 29392, 36740, 39680, 41416, 42752, 43648, 51770, 53440, 54560, 56947, 58784, 73480, 82832, 87296, 103540, 106880, 109120, 113894, 117568, 146960, 165664, 207080, 213760, 218240, 227788, 235136, 284735, 293920, 331328, 414160, 436480, 455576, 470272, 569470, 587840, 662656, 828320, 911152, 1138940, 1175680, 1325312, 1656640, 1822304, 2277880, 2351360, 3313280, 3644608, 4555760, 6626560, 7289216, 9111520, 14578432, 18223040, 36446080, 72892160]

約数ペア:

[(1, 72892160), (2, 36446080), (4, 18223040), (5, 14578432), (8, 9111520), (10, 7289216), (11, 6626560), (16, 4555760), (20, 3644608), (22, 3313280), (31, 2351360), (32, 2277880), (40, 1822304), (44, 1656640), (55, 1325312), (62, 1175680), (64, 1138940), (80, 911152), (88, 828320), (110, 662656), (124, 587840), (128, 569470), (155, 470272), (160, 455576), (167, 436480), (176, 414160), (220, 331328), (248, 293920), (256, 284735), (310, 235136), (320, 227788), (334, 218240), (341, 213760), (352, 207080), (440, 165664), (496, 146960), (620, 117568), (640, 113894), (668, 109120), (682, 106880), (704, 103540), (835, 87296), (880, 82832), (992, 73480), (1240, 58784), (1280, 56947), (1336, 54560), (1364, 53440), (1408, 51770), (1670, 43648), (1705, 42752), (1760, 41416), (1837, 39680), (1984, 36740), (2480, 29392), (2672, 27280), (2728, 26720), (2816, 25885), (3340, 21824), (3410, 21376), (3520, 20708), (3674, 19840), (3968, 18370), (4960, 14696), (5177, 14080), (5344, 13640), (5456, 13360), (6680, 10912), (6820, 10688), (7040, 10354), (7348, 9920), (7936, 9185)]