128260640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1361}}^1$

素因数の和:1426

約数の個数: 96

約数和(自身を含む): 329495040

約数和(自身を除く): 201234400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 380, 496, 589, 608, 620, 760, 992, 1178, 1240, 1361, 1520, 2356, 2480, 2722, 2945, 3040, 4712, 4960, 5444, 5890, 6805, 9424, 10888, 11780, 13610, 18848, 21776, 23560, 25859, 27220, 42191, 43552, 47120, 51718, 54440, 84382, 94240, 103436, 108880, 129295, 168764, 206872, 210955, 217760, 258590, 337528, 413744, 421910, 517180, 675056, 801629, 827488, 843820, 1034360, 1350112, 1603258, 1687640, 2068720, 3206516, 3375280, 4008145, 4137440, 6413032, 6750560, 8016290, 12826064, 16032580, 25652128, 32065160, 64130320, 128260640]

約数ペア:

[(1, 128260640), (2, 64130320), (4, 32065160), (5, 25652128), (8, 16032580), (10, 12826064), (16, 8016290), (19, 6750560), (20, 6413032), (31, 4137440), (32, 4008145), (38, 3375280), (40, 3206516), (62, 2068720), (76, 1687640), (80, 1603258), (95, 1350112), (124, 1034360), (152, 843820), (155, 827488), (160, 801629), (190, 675056), (248, 517180), (304, 421910), (310, 413744), (380, 337528), (496, 258590), (589, 217760), (608, 210955), (620, 206872), (760, 168764), (992, 129295), (1178, 108880), (1240, 103436), (1361, 94240), (1520, 84382), (2356, 54440), (2480, 51718), (2722, 47120), (2945, 43552), (3040, 42191), (4712, 27220), (4960, 25859), (5444, 23560), (5890, 21776), (6805, 18848), (9424, 13610), (10888, 11780)]