158171920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:173

約数の個数: 160

約数和(自身を含む): 411402240

約数和(自身を除く): 253230320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 47, 59, 62, 80, 92, 94, 115, 118, 124, 155, 184, 188, 230, 235, 236, 248, 295, 310, 368, 376, 460, 470, 472, 496, 590, 620, 713, 752, 920, 940, 944, 1081, 1180, 1240, 1357, 1426, 1457, 1829, 1840, 1880, 2162, 2360, 2480, 2714, 2773, 2852, 2914, 3565, 3658, 3760, 4324, 4720, 5405, 5428, 5546, 5704, 5828, 6785, 7130, 7285, 7316, 8648, 9145, 10810, 10856, 11092, 11408, 11656, 13570, 13865, 14260, 14570, 14632, 17296, 18290, 21620, 21712, 22184, 23312, 27140, 27730, 28520, 29140, 29264, 33511, 36580, 42067, 43240, 44368, 54280, 55460, 57040, 58280, 63779, 67022, 73160, 84134, 85963, 86480, 108560, 110920, 116560, 127558, 134044, 146320, 167555, 168268, 171926, 210335, 221840, 255116, 268088, 318895, 335110, 336536, 343852, 420670, 429815, 510232, 536176, 637790, 670220, 673072, 687704, 841340, 859630, 1020464, 1275580, 1340440, 1375408, 1682680, 1719260, 1977149, 2551160, 2680880, 3365360, 3438520, 3954298, 5102320, 6877040, 7908596, 9885745, 15817192, 19771490, 31634384, 39542980, 79085960, 158171920]

約数ペア:

[(1, 158171920), (2, 79085960), (4, 39542980), (5, 31634384), (8, 19771490), (10, 15817192), (16, 9885745), (20, 7908596), (23, 6877040), (31, 5102320), (40, 3954298), (46, 3438520), (47, 3365360), (59, 2680880), (62, 2551160), (80, 1977149), (92, 1719260), (94, 1682680), (115, 1375408), (118, 1340440), (124, 1275580), (155, 1020464), (184, 859630), (188, 841340), (230, 687704), (235, 673072), (236, 670220), (248, 637790), (295, 536176), (310, 510232), (368, 429815), (376, 420670), (460, 343852), (470, 336536), (472, 335110), (496, 318895), (590, 268088), (620, 255116), (713, 221840), (752, 210335), (920, 171926), (940, 168268), (944, 167555), (1081, 146320), (1180, 134044), (1240, 127558), (1357, 116560), (1426, 110920), (1457, 108560), (1829, 86480), (1840, 85963), (1880, 84134), (2162, 73160), (2360, 67022), (2480, 63779), (2714, 58280), (2773, 57040), (2852, 55460), (2914, 54280), (3565, 44368), (3658, 43240), (3760, 42067), (4324, 36580), (4720, 33511), (5405, 29264), (5428, 29140), (5546, 28520), (5704, 27730), (5828, 27140), (6785, 23312), (7130, 22184), (7285, 21712), (7316, 21620), (8648, 18290), (9145, 17296), (10810, 14632), (10856, 14570), (11092, 14260), (11408, 13865), (11656, 13570)]