259130240

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:440

約数の個数: 128

約数和(自身を含む): 658609920

約数和(自身を除く): 399479680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 64, 74, 80, 124, 128, 148, 155, 160, 185, 248, 296, 310, 320, 353, 370, 496, 592, 620, 640, 706, 740, 992, 1147, 1184, 1240, 1412, 1480, 1765, 1984, 2294, 2368, 2480, 2824, 2960, 3530, 3968, 4588, 4736, 4960, 5648, 5735, 5920, 7060, 9176, 9920, 10943, 11296, 11470, 11840, 13061, 14120, 18352, 19840, 21886, 22592, 22940, 23680, 26122, 28240, 36704, 43772, 45184, 45880, 52244, 54715, 56480, 65305, 73408, 87544, 91760, 104488, 109430, 112960, 130610, 146816, 175088, 183520, 208976, 218860, 225920, 261220, 350176, 367040, 404891, 417952, 437720, 522440, 700352, 734080, 809782, 835904, 875440, 1044880, 1400704, 1619564, 1671808, 1750880, 2024455, 2089760, 3239128, 3501760, 4048910, 4179520, 6478256, 7003520, 8097820, 8359040, 12956512, 16195640, 25913024, 32391280, 51826048, 64782560, 129565120, 259130240]

約数ペア:

[(1, 259130240), (2, 129565120), (4, 64782560), (5, 51826048), (8, 32391280), (10, 25913024), (16, 16195640), (20, 12956512), (31, 8359040), (32, 8097820), (37, 7003520), (40, 6478256), (62, 4179520), (64, 4048910), (74, 3501760), (80, 3239128), (124, 2089760), (128, 2024455), (148, 1750880), (155, 1671808), (160, 1619564), (185, 1400704), (248, 1044880), (296, 875440), (310, 835904), (320, 809782), (353, 734080), (370, 700352), (496, 522440), (592, 437720), (620, 417952), (640, 404891), (706, 367040), (740, 350176), (992, 261220), (1147, 225920), (1184, 218860), (1240, 208976), (1412, 183520), (1480, 175088), (1765, 146816), (1984, 130610), (2294, 112960), (2368, 109430), (2480, 104488), (2824, 91760), (2960, 87544), (3530, 73408), (3968, 65305), (4588, 56480), (4736, 54715), (4960, 52244), (5648, 45880), (5735, 45184), (5920, 43772), (7060, 36704), (9176, 28240), (9920, 26122), (10943, 23680), (11296, 22940), (11470, 22592), (11840, 21886), (13061, 19840), (14120, 18352)]