1779509680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{401}}^1$

素因数の和:695

約数の個数: 160

約数和(自身を含む): 4748321088

約数和(自身を除く): 2968811408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 251, 260, 272, 340, 401, 442, 502, 520, 680, 802, 884, 1004, 1040, 1105, 1255, 1360, 1604, 1768, 2005, 2008, 2210, 2510, 3208, 3263, 3536, 4010, 4016, 4267, 4420, 5020, 5213, 6416, 6526, 6817, 8020, 8534, 8840, 10040, 10426, 13052, 13634, 16040, 16315, 17068, 17680, 20080, 20852, 21335, 26065, 26104, 27268, 32080, 32630, 34085, 34136, 41704, 42670, 52130, 52208, 54536, 55471, 65260, 68170, 68272, 83408, 85340, 88621, 100651, 104260, 109072, 110942, 130520, 136340, 170680, 177242, 201302, 208520, 221884, 261040, 272680, 277355, 341360, 354484, 402604, 417040, 443105, 443768, 503255, 545360, 554710, 708968, 805208, 886210, 887536, 1006510, 1109420, 1308463, 1417936, 1610416, 1711067, 1772420, 2013020, 2218840, 2616926, 3422134, 3544840, 4026040, 4437680, 5233852, 6542315, 6844268, 7089680, 8052080, 8555335, 10467704, 13084630, 13688536, 17110670, 20935408, 22243871, 26169260, 27377072, 34221340, 44487742, 52338520, 68442680, 88975484, 104677040, 111219355, 136885360, 177950968, 222438710, 355901936, 444877420, 889754840, 1779509680]

約数ペア:

[(1, 1779509680), (2, 889754840), (4, 444877420), (5, 355901936), (8, 222438710), (10, 177950968), (13, 136885360), (16, 111219355), (17, 104677040), (20, 88975484), (26, 68442680), (34, 52338520), (40, 44487742), (52, 34221340), (65, 27377072), (68, 26169260), (80, 22243871), (85, 20935408), (104, 17110670), (130, 13688536), (136, 13084630), (170, 10467704), (208, 8555335), (221, 8052080), (251, 7089680), (260, 6844268), (272, 6542315), (340, 5233852), (401, 4437680), (442, 4026040), (502, 3544840), (520, 3422134), (680, 2616926), (802, 2218840), (884, 2013020), (1004, 1772420), (1040, 1711067), (1105, 1610416), (1255, 1417936), (1360, 1308463), (1604, 1109420), (1768, 1006510), (2005, 887536), (2008, 886210), (2210, 805208), (2510, 708968), (3208, 554710), (3263, 545360), (3536, 503255), (4010, 443768), (4016, 443105), (4267, 417040), (4420, 402604), (5020, 354484), (5213, 341360), (6416, 277355), (6526, 272680), (6817, 261040), (8020, 221884), (8534, 208520), (8840, 201302), (10040, 177242), (10426, 170680), (13052, 136340), (13634, 130520), (16040, 110942), (16315, 109072), (17068, 104260), (17680, 100651), (20080, 88621), (20852, 85340), (21335, 83408), (26065, 68272), (26104, 68170), (27268, 65260), (32080, 55471), (32630, 54536), (34085, 52208), (34136, 52130), (41704, 42670)]