1639084240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{4289}}^1$

素因数の和:4600

約数の個数: 80

約数和(自身を含む): 4050343440

約数和(自身を除く): 2411259200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 281, 340, 562, 680, 1124, 1360, 1405, 2248, 2810, 4289, 4496, 4777, 5620, 8578, 9554, 11240, 17156, 19108, 21445, 22480, 23885, 34312, 38216, 42890, 47770, 68624, 72913, 76432, 85780, 95540, 145826, 171560, 191080, 291652, 343120, 364565, 382160, 583304, 729130, 1166608, 1205209, 1458260, 2410418, 2916520, 4820836, 5833040, 6026045, 9641672, 12052090, 19283344, 20488553, 24104180, 40977106, 48208360, 81954212, 96416720, 102442765, 163908424, 204885530, 327816848, 409771060, 819542120, 1639084240]

約数ペア:

[(1, 1639084240), (2, 819542120), (4, 409771060), (5, 327816848), (8, 204885530), (10, 163908424), (16, 102442765), (17, 96416720), (20, 81954212), (34, 48208360), (40, 40977106), (68, 24104180), (80, 20488553), (85, 19283344), (136, 12052090), (170, 9641672), (272, 6026045), (281, 5833040), (340, 4820836), (562, 2916520), (680, 2410418), (1124, 1458260), (1360, 1205209), (1405, 1166608), (2248, 729130), (2810, 583304), (4289, 382160), (4496, 364565), (4777, 343120), (5620, 291652), (8578, 191080), (9554, 171560), (11240, 145826), (17156, 95540), (19108, 85780), (21445, 76432), (22480, 72913), (23885, 68624), (34312, 47770), (38216, 42890)]