42282760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:159

約数の個数: 128

約数和(自身を含む): 109992960

約数和(自身を除く): 67710200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 43, 52, 61, 62, 65, 86, 104, 122, 124, 130, 155, 172, 215, 244, 248, 260, 305, 310, 344, 403, 430, 488, 520, 559, 610, 620, 793, 806, 860, 1118, 1220, 1240, 1333, 1586, 1612, 1720, 1891, 2015, 2236, 2440, 2623, 2666, 2795, 3172, 3224, 3782, 3965, 4030, 4472, 5246, 5332, 5590, 6344, 6665, 7564, 7930, 8060, 9455, 10492, 10664, 11180, 13115, 13330, 15128, 15860, 16120, 17329, 18910, 20984, 22360, 24583, 26230, 26660, 31720, 34099, 34658, 37820, 49166, 52460, 53320, 68198, 69316, 75640, 81313, 86645, 98332, 104920, 122915, 136396, 138632, 162626, 170495, 173290, 196664, 245830, 272792, 325252, 340990, 346580, 406565, 491660, 650504, 681980, 693160, 813130, 983320, 1057069, 1363960, 1626260, 2114138, 3252520, 4228276, 5285345, 8456552, 10570690, 21141380, 42282760]

約数ペア:

[(1, 42282760), (2, 21141380), (4, 10570690), (5, 8456552), (8, 5285345), (10, 4228276), (13, 3252520), (20, 2114138), (26, 1626260), (31, 1363960), (40, 1057069), (43, 983320), (52, 813130), (61, 693160), (62, 681980), (65, 650504), (86, 491660), (104, 406565), (122, 346580), (124, 340990), (130, 325252), (155, 272792), (172, 245830), (215, 196664), (244, 173290), (248, 170495), (260, 162626), (305, 138632), (310, 136396), (344, 122915), (403, 104920), (430, 98332), (488, 86645), (520, 81313), (559, 75640), (610, 69316), (620, 68198), (793, 53320), (806, 52460), (860, 49166), (1118, 37820), (1220, 34658), (1240, 34099), (1333, 31720), (1586, 26660), (1612, 26230), (1720, 24583), (1891, 22360), (2015, 20984), (2236, 18910), (2440, 17329), (2623, 16120), (2666, 15860), (2795, 15128), (3172, 13330), (3224, 13115), (3782, 11180), (3965, 10664), (4030, 10492), (4472, 9455), (5246, 8060), (5332, 7930), (5590, 7564), (6344, 6665)]