81443460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8431}}^1$

素因数の和:8473

約数の個数: 96

約数和(自身を含む): 271982592

約数和(自身を除く): 190539132

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2415, 3220, 4830, 8431, 9660, 16862, 25293, 33724, 42155, 50586, 59017, 84310, 101172, 118034, 126465, 168620, 177051, 193913, 236068, 252930, 295085, 354102, 387826, 505860, 581739, 590170, 708204, 775652, 885255, 969565, 1163478, 1180340, 1357391, 1770510, 1939130, 2326956, 2714782, 2908695, 3541020, 3878260, 4072173, 5429564, 5817390, 6786955, 8144346, 11634780, 13573910, 16288692, 20360865, 27147820, 40721730, 81443460]

約数ペア:

[(1, 81443460), (2, 40721730), (3, 27147820), (4, 20360865), (5, 16288692), (6, 13573910), (7, 11634780), (10, 8144346), (12, 6786955), (14, 5817390), (15, 5429564), (20, 4072173), (21, 3878260), (23, 3541020), (28, 2908695), (30, 2714782), (35, 2326956), (42, 1939130), (46, 1770510), (60, 1357391), (69, 1180340), (70, 1163478), (84, 969565), (92, 885255), (105, 775652), (115, 708204), (138, 590170), (140, 581739), (161, 505860), (210, 387826), (230, 354102), (276, 295085), (322, 252930), (345, 236068), (420, 193913), (460, 177051), (483, 168620), (644, 126465), (690, 118034), (805, 101172), (966, 84310), (1380, 59017), (1610, 50586), (1932, 42155), (2415, 33724), (3220, 25293), (4830, 16862), (8431, 9660)]