256543271460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1451}}^1\times {\mathrm{140321}}^1$

素因数の和:141794

約数の個数: 144

約数和(自身を含む): 889969272192

約数和(自身を除く): 633426000732

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1451, 2902, 4353, 5804, 7255, 8706, 10157, 13059, 14510, 17412, 20314, 21765, 26118, 29020, 30471, 40628, 43530, 50785, 52236, 60942, 65295, 87060, 91413, 101570, 121884, 130590, 140321, 152355, 182826, 203140, 261180, 280642, 304710, 365652, 420963, 457065, 561284, 609420, 701605, 841926, 914130, 982247, 1262889, 1403210, 1683852, 1828260, 1964494, 2104815, 2525778, 2806420, 2946741, 3928988, 4209630, 4911235, 5051556, 5893482, 6314445, 8419260, 8840223, 9822470, 11786964, 12628890, 14733705, 17680446, 19644940, 25257780, 29467410, 35360892, 44201115, 58934820, 88402230, 176804460, 203605771, 407211542, 610817313, 814423084, 1018028855, 1221634626, 1425240397, 1832451939, 2036057710, 2443269252, 2850480794, 3054086565, 3664903878, 4072115420, 4275721191, 5700961588, 6108173130, 7126201985, 7329807756, 8551442382, 9162259695, 12216346260, 12827163573, 14252403970, 17102884764, 18324519390, 21378605955, 25654327146, 28504807940, 36649038780, 42757211910, 51308654292, 64135817865, 85514423820, 128271635730, 256543271460]

約数ペア:

[(1, 256543271460), (2, 128271635730), (3, 85514423820), (4, 64135817865), (5, 51308654292), (6, 42757211910), (7, 36649038780), (9, 28504807940), (10, 25654327146), (12, 21378605955), (14, 18324519390), (15, 17102884764), (18, 14252403970), (20, 12827163573), (21, 12216346260), (28, 9162259695), (30, 8551442382), (35, 7329807756), (36, 7126201985), (42, 6108173130), (45, 5700961588), (60, 4275721191), (63, 4072115420), (70, 3664903878), (84, 3054086565), (90, 2850480794), (105, 2443269252), (126, 2036057710), (140, 1832451939), (180, 1425240397), (210, 1221634626), (252, 1018028855), (315, 814423084), (420, 610817313), (630, 407211542), (1260, 203605771), (1451, 176804460), (2902, 88402230), (4353, 58934820), (5804, 44201115), (7255, 35360892), (8706, 29467410), (10157, 25257780), (13059, 19644940), (14510, 17680446), (17412, 14733705), (20314, 12628890), (21765, 11786964), (26118, 9822470), (29020, 8840223), (30471, 8419260), (40628, 6314445), (43530, 5893482), (50785, 5051556), (52236, 4911235), (60942, 4209630), (65295, 3928988), (87060, 2946741), (91413, 2806420), (101570, 2525778), (121884, 2104815), (130590, 1964494), (140321, 1828260), (152355, 1683852), (182826, 1403210), (203140, 1262889), (261180, 982247), (280642, 914130), (304710, 841926), (365652, 701605), (420963, 609420), (457065, 561284)]