81145650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:300

約数の個数: 96

約数和(自身を含む): 209718720

約数和(自身を除く): 128573070

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 53, 59, 75, 106, 118, 150, 159, 173, 177, 265, 295, 318, 346, 354, 519, 530, 590, 795, 865, 885, 1038, 1325, 1475, 1590, 1730, 1770, 2595, 2650, 2950, 3127, 3975, 4325, 4425, 5190, 6254, 7950, 8650, 8850, 9169, 9381, 10207, 12975, 15635, 18338, 18762, 20414, 25950, 27507, 30621, 31270, 45845, 46905, 51035, 55014, 61242, 78175, 91690, 93810, 102070, 137535, 153105, 156350, 229225, 234525, 255175, 275070, 306210, 458450, 469050, 510350, 540971, 687675, 765525, 1081942, 1375350, 1531050, 1622913, 2704855, 3245826, 5409710, 8114565, 13524275, 16229130, 27048550, 40572825, 81145650]

約数ペア:

[(1, 81145650), (2, 40572825), (3, 27048550), (5, 16229130), (6, 13524275), (10, 8114565), (15, 5409710), (25, 3245826), (30, 2704855), (50, 1622913), (53, 1531050), (59, 1375350), (75, 1081942), (106, 765525), (118, 687675), (150, 540971), (159, 510350), (173, 469050), (177, 458450), (265, 306210), (295, 275070), (318, 255175), (346, 234525), (354, 229225), (519, 156350), (530, 153105), (590, 137535), (795, 102070), (865, 93810), (885, 91690), (1038, 78175), (1325, 61242), (1475, 55014), (1590, 51035), (1730, 46905), (1770, 45845), (2595, 31270), (2650, 30621), (2950, 27507), (3127, 25950), (3975, 20414), (4325, 18762), (4425, 18338), (5190, 15635), (6254, 12975), (7950, 10207), (8650, 9381), (8850, 9169)]