128379990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 328023648

約数和(自身を除く): 199643658

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 61, 62, 73, 93, 122, 146, 155, 183, 186, 219, 305, 310, 365, 366, 438, 465, 610, 730, 915, 930, 961, 1095, 1830, 1891, 1922, 2190, 2263, 2883, 3782, 4453, 4526, 4805, 5673, 5766, 6789, 8906, 9455, 9610, 11315, 11346, 13359, 13578, 14415, 18910, 22265, 22630, 26718, 28365, 28830, 33945, 44530, 56730, 58621, 66795, 67890, 70153, 117242, 133590, 138043, 140306, 175863, 210459, 276086, 293105, 350765, 351726, 414129, 420918, 586210, 690215, 701530, 828258, 879315, 1052295, 1380430, 1758630, 2070645, 2104590, 4141290, 4279333, 8558666, 12837999, 21396665, 25675998, 42793330, 64189995, 128379990]

約数ペア:

[(1, 128379990), (2, 64189995), (3, 42793330), (5, 25675998), (6, 21396665), (10, 12837999), (15, 8558666), (30, 4279333), (31, 4141290), (61, 2104590), (62, 2070645), (73, 1758630), (93, 1380430), (122, 1052295), (146, 879315), (155, 828258), (183, 701530), (186, 690215), (219, 586210), (305, 420918), (310, 414129), (365, 351726), (366, 350765), (438, 293105), (465, 276086), (610, 210459), (730, 175863), (915, 140306), (930, 138043), (961, 133590), (1095, 117242), (1830, 70153), (1891, 67890), (1922, 66795), (2190, 58621), (2263, 56730), (2883, 44530), (3782, 33945), (4453, 28830), (4526, 28365), (4805, 26718), (5673, 22630), (5766, 22265), (6789, 18910), (8906, 14415), (9455, 13578), (9610, 13359), (11315, 11346)]