80715320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:613

約数の個数: 128

約数和(自身を含む): 227266560

約数和(自身を除く): 146551240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 31, 34, 35, 40, 56, 62, 68, 70, 85, 119, 124, 136, 140, 155, 170, 217, 238, 248, 280, 310, 340, 434, 476, 527, 547, 595, 620, 680, 868, 952, 1054, 1085, 1094, 1190, 1240, 1736, 2108, 2170, 2188, 2380, 2635, 2735, 3689, 3829, 4216, 4340, 4376, 4760, 5270, 5470, 7378, 7658, 8680, 9299, 10540, 10940, 14756, 15316, 16957, 18445, 18598, 19145, 21080, 21880, 29512, 30632, 33914, 36890, 37196, 38290, 46495, 65093, 67828, 73780, 74392, 76580, 84785, 92990, 118699, 130186, 135656, 147560, 153160, 169570, 185980, 237398, 260372, 288269, 325465, 339140, 371960, 474796, 520744, 576538, 593495, 650930, 678280, 949592, 1153076, 1186990, 1301860, 1441345, 2017883, 2306152, 2373980, 2603720, 2882690, 4035766, 4747960, 5765380, 8071532, 10089415, 11530760, 16143064, 20178830, 40357660, 80715320]

約数ペア:

[(1, 80715320), (2, 40357660), (4, 20178830), (5, 16143064), (7, 11530760), (8, 10089415), (10, 8071532), (14, 5765380), (17, 4747960), (20, 4035766), (28, 2882690), (31, 2603720), (34, 2373980), (35, 2306152), (40, 2017883), (56, 1441345), (62, 1301860), (68, 1186990), (70, 1153076), (85, 949592), (119, 678280), (124, 650930), (136, 593495), (140, 576538), (155, 520744), (170, 474796), (217, 371960), (238, 339140), (248, 325465), (280, 288269), (310, 260372), (340, 237398), (434, 185980), (476, 169570), (527, 153160), (547, 147560), (595, 135656), (620, 130186), (680, 118699), (868, 92990), (952, 84785), (1054, 76580), (1085, 74392), (1094, 73780), (1190, 67828), (1240, 65093), (1736, 46495), (2108, 38290), (2170, 37196), (2188, 36890), (2380, 33914), (2635, 30632), (2735, 29512), (3689, 21880), (3829, 21080), (4216, 19145), (4340, 18598), (4376, 18445), (4760, 16957), (5270, 15316), (5470, 14756), (7378, 10940), (7658, 10540), (8680, 9299)]