180848988

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{557}}^1$

素因数の和:907

約数の個数: 72

約数和(自身を含む): 475282080

約数和(自身を除く): 294433092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 311, 348, 522, 557, 622, 933, 1044, 1114, 1244, 1671, 1866, 2228, 2799, 3342, 3732, 5013, 5598, 6684, 9019, 10026, 11196, 16153, 18038, 20052, 27057, 32306, 36076, 48459, 54114, 64612, 81171, 96918, 108228, 145377, 162342, 173227, 193836, 290754, 324684, 346454, 519681, 581508, 692908, 1039362, 1559043, 2078724, 3118086, 5023583, 6236172, 10047166, 15070749, 20094332, 30141498, 45212247, 60282996, 90424494, 180848988]

約数ペア:

[(1, 180848988), (2, 90424494), (3, 60282996), (4, 45212247), (6, 30141498), (9, 20094332), (12, 15070749), (18, 10047166), (29, 6236172), (36, 5023583), (58, 3118086), (87, 2078724), (116, 1559043), (174, 1039362), (261, 692908), (311, 581508), (348, 519681), (522, 346454), (557, 324684), (622, 290754), (933, 193836), (1044, 173227), (1114, 162342), (1244, 145377), (1671, 108228), (1866, 96918), (2228, 81171), (2799, 64612), (3342, 54114), (3732, 48459), (5013, 36076), (5598, 32306), (6684, 27057), (9019, 20052), (10026, 18038), (11196, 16153)]