61721190

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3313}}^1$

素因数の和:3355

約数の個数: 80

約数和(自身を含む): 173229408

約数和(自身を除く): 111508218

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 81, 90, 115, 135, 138, 162, 207, 230, 270, 345, 405, 414, 621, 690, 810, 1035, 1242, 1863, 2070, 3105, 3313, 3726, 6210, 6626, 9315, 9939, 16565, 18630, 19878, 29817, 33130, 49695, 59634, 76199, 89451, 99390, 149085, 152398, 178902, 228597, 268353, 298170, 380995, 447255, 457194, 536706, 685791, 761990, 894510, 1142985, 1341765, 1371582, 2057373, 2285970, 2683530, 3428955, 4114746, 6172119, 6857910, 10286865, 12344238, 20573730, 30860595, 61721190]

約数ペア:

[(1, 61721190), (2, 30860595), (3, 20573730), (5, 12344238), (6, 10286865), (9, 6857910), (10, 6172119), (15, 4114746), (18, 3428955), (23, 2683530), (27, 2285970), (30, 2057373), (45, 1371582), (46, 1341765), (54, 1142985), (69, 894510), (81, 761990), (90, 685791), (115, 536706), (135, 457194), (138, 447255), (162, 380995), (207, 298170), (230, 268353), (270, 228597), (345, 178902), (405, 152398), (414, 149085), (621, 99390), (690, 89451), (810, 76199), (1035, 59634), (1242, 49695), (1863, 33130), (2070, 29817), (3105, 19878), (3313, 18630), (3726, 16565), (6210, 9939), (6626, 9315)]