20177786640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2351}}^1\times {\mathrm{3251}}^1$

素因数の和:5629

約数の個数: 160

約数和(自身を含む): 68287629312

約数和(自身を除く): 48109842672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2351, 2640, 3251, 4702, 6502, 7053, 9404, 9753, 11755, 13004, 14106, 16255, 18808, 19506, 23510, 25861, 26008, 28212, 32510, 35265, 35761, 37616, 39012, 47020, 48765, 51722, 52016, 56424, 65020, 70530, 71522, 77583, 78024, 94040, 97530, 103444, 107283, 112848, 129305, 130040, 141060, 143044, 155166, 156048, 178805, 188080, 195060, 206888, 214566, 258610, 260080, 282120, 286088, 310332, 357610, 387915, 390120, 413776, 429132, 517220, 536415, 564240, 572176, 620664, 715220, 775830, 780240, 858264, 1034440, 1072830, 1241328, 1430440, 1551660, 1716528, 2068880, 2145660, 2860880, 3103320, 4291320, 6206640, 7643101, 8582640, 15286202, 22929303, 30572404, 38215505, 45858606, 61144808, 76431010, 84074111, 91717212, 114646515, 122289616, 152862020, 168148222, 183434424, 229293030, 252222333, 305724040, 336296444, 366868848, 420370555, 458586060, 504444666, 611448080, 672592888, 840741110, 917172120, 1008889332, 1261111665, 1345185776, 1681482220, 1834344240, 2017778664, 2522223330, 3362964440, 4035557328, 5044446660, 6725928880, 10088893320, 20177786640]

約数ペア:

[(1, 20177786640), (2, 10088893320), (3, 6725928880), (4, 5044446660), (5, 4035557328), (6, 3362964440), (8, 2522223330), (10, 2017778664), (11, 1834344240), (12, 1681482220), (15, 1345185776), (16, 1261111665), (20, 1008889332), (22, 917172120), (24, 840741110), (30, 672592888), (33, 611448080), (40, 504444666), (44, 458586060), (48, 420370555), (55, 366868848), (60, 336296444), (66, 305724040), (80, 252222333), (88, 229293030), (110, 183434424), (120, 168148222), (132, 152862020), (165, 122289616), (176, 114646515), (220, 91717212), (240, 84074111), (264, 76431010), (330, 61144808), (440, 45858606), (528, 38215505), (660, 30572404), (880, 22929303), (1320, 15286202), (2351, 8582640), (2640, 7643101), (3251, 6206640), (4702, 4291320), (6502, 3103320), (7053, 2860880), (9404, 2145660), (9753, 2068880), (11755, 1716528), (13004, 1551660), (14106, 1430440), (16255, 1241328), (18808, 1072830), (19506, 1034440), (23510, 858264), (25861, 780240), (26008, 775830), (28212, 715220), (32510, 620664), (35265, 572176), (35761, 564240), (37616, 536415), (39012, 517220), (47020, 429132), (48765, 413776), (51722, 390120), (52016, 387915), (56424, 357610), (65020, 310332), (70530, 286088), (71522, 282120), (77583, 260080), (78024, 258610), (94040, 214566), (97530, 206888), (103444, 195060), (107283, 188080), (112848, 178805), (129305, 156048), (130040, 155166), (141060, 143044)]