91978240

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 160

約数和(自身を含む): 243555840

約数和(自身を除く): 151577600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 61, 62, 64, 76, 80, 95, 122, 124, 128, 152, 155, 160, 190, 244, 248, 256, 304, 305, 310, 320, 380, 488, 496, 512, 589, 608, 610, 620, 640, 760, 976, 992, 1159, 1178, 1216, 1220, 1240, 1280, 1520, 1891, 1952, 1984, 2318, 2356, 2432, 2440, 2480, 2560, 2945, 3040, 3782, 3904, 3968, 4636, 4712, 4864, 4880, 4960, 5795, 5890, 6080, 7564, 7808, 7936, 9272, 9424, 9455, 9728, 9760, 9920, 11590, 11780, 12160, 15128, 15616, 15872, 18544, 18848, 18910, 19520, 19840, 23180, 23560, 24320, 30256, 31232, 35929, 37088, 37696, 37820, 39040, 39680, 46360, 47120, 48640, 60512, 71858, 74176, 75392, 75640, 78080, 79360, 92720, 94240, 121024, 143716, 148352, 150784, 151280, 156160, 179645, 185440, 188480, 242048, 287432, 296704, 301568, 302560, 359290, 370880, 376960, 484096, 574864, 593408, 605120, 718580, 741760, 753920, 968192, 1149728, 1210240, 1437160, 1483520, 1507840, 2299456, 2420480, 2874320, 2967040, 4598912, 4840960, 5748640, 9197824, 11497280, 18395648, 22994560, 45989120, 91978240]

約数ペア:

[(1, 91978240), (2, 45989120), (4, 22994560), (5, 18395648), (8, 11497280), (10, 9197824), (16, 5748640), (19, 4840960), (20, 4598912), (31, 2967040), (32, 2874320), (38, 2420480), (40, 2299456), (61, 1507840), (62, 1483520), (64, 1437160), (76, 1210240), (80, 1149728), (95, 968192), (122, 753920), (124, 741760), (128, 718580), (152, 605120), (155, 593408), (160, 574864), (190, 484096), (244, 376960), (248, 370880), (256, 359290), (304, 302560), (305, 301568), (310, 296704), (320, 287432), (380, 242048), (488, 188480), (496, 185440), (512, 179645), (589, 156160), (608, 151280), (610, 150784), (620, 148352), (640, 143716), (760, 121024), (976, 94240), (992, 92720), (1159, 79360), (1178, 78080), (1216, 75640), (1220, 75392), (1240, 74176), (1280, 71858), (1520, 60512), (1891, 48640), (1952, 47120), (1984, 46360), (2318, 39680), (2356, 39040), (2432, 37820), (2440, 37696), (2480, 37088), (2560, 35929), (2945, 31232), (3040, 30256), (3782, 24320), (3904, 23560), (3968, 23180), (4636, 19840), (4712, 19520), (4864, 18910), (4880, 18848), (4960, 18544), (5795, 15872), (5890, 15616), (6080, 15128), (7564, 12160), (7808, 11780), (7936, 11590), (9272, 9920), (9424, 9760), (9455, 9728)]