81998370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:484

約数の個数: 96

約数和(自身を含む): 223657200

約数和(自身を除く): 141658830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 89, 90, 145, 174, 178, 261, 267, 290, 353, 435, 445, 522, 534, 706, 801, 870, 890, 1059, 1305, 1335, 1602, 1765, 2118, 2581, 2610, 2670, 3177, 3530, 4005, 5162, 5295, 6354, 7743, 8010, 10237, 10590, 12905, 15486, 15885, 20474, 23229, 25810, 30711, 31417, 31770, 38715, 46458, 51185, 61422, 62834, 77430, 92133, 94251, 102370, 116145, 153555, 157085, 184266, 188502, 232290, 282753, 307110, 314170, 460665, 471255, 565506, 911093, 921330, 942510, 1413765, 1822186, 2733279, 2827530, 4555465, 5466558, 8199837, 9110930, 13666395, 16399674, 27332790, 40999185, 81998370]

約数ペア:

[(1, 81998370), (2, 40999185), (3, 27332790), (5, 16399674), (6, 13666395), (9, 9110930), (10, 8199837), (15, 5466558), (18, 4555465), (29, 2827530), (30, 2733279), (45, 1822186), (58, 1413765), (87, 942510), (89, 921330), (90, 911093), (145, 565506), (174, 471255), (178, 460665), (261, 314170), (267, 307110), (290, 282753), (353, 232290), (435, 188502), (445, 184266), (522, 157085), (534, 153555), (706, 116145), (801, 102370), (870, 94251), (890, 92133), (1059, 77430), (1305, 62834), (1335, 61422), (1602, 51185), (1765, 46458), (2118, 38715), (2581, 31770), (2610, 31417), (2670, 30711), (3177, 25810), (3530, 23229), (4005, 20474), (5162, 15885), (5295, 15486), (6354, 12905), (7743, 10590), (8010, 10237)]