28787876520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4253}}^1\times {\mathrm{4339}}^1$

素因数の和:8619

約数の個数: 128

約数和(自身を含む): 93050294400

約数和(自身を除く): 64262417880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 4253, 4339, 8506, 8678, 12759, 13017, 17012, 17356, 21265, 21695, 25518, 26034, 34024, 34712, 42530, 43390, 51036, 52068, 55289, 56407, 63795, 65085, 85060, 86780, 102072, 104136, 110578, 112814, 127590, 130170, 165867, 169221, 170120, 173560, 221156, 225628, 255180, 260340, 276445, 282035, 331734, 338442, 442312, 451256, 510360, 520680, 552890, 564070, 663468, 676884, 829335, 846105, 1105780, 1128140, 1326936, 1353768, 1658670, 1692210, 2211560, 2256280, 3317340, 3384420, 6634680, 6768840, 18453767, 36907534, 55361301, 73815068, 92268835, 110722602, 147630136, 184537670, 221445204, 239898971, 276806505, 369075340, 442890408, 479797942, 553613010, 719696913, 738150680, 959595884, 1107226020, 1199494855, 1439393826, 1919191768, 2214452040, 2398989710, 2878787652, 3598484565, 4797979420, 5757575304, 7196969130, 9595958840, 14393938260, 28787876520]

約数ペア:

[(1, 28787876520), (2, 14393938260), (3, 9595958840), (4, 7196969130), (5, 5757575304), (6, 4797979420), (8, 3598484565), (10, 2878787652), (12, 2398989710), (13, 2214452040), (15, 1919191768), (20, 1439393826), (24, 1199494855), (26, 1107226020), (30, 959595884), (39, 738150680), (40, 719696913), (52, 553613010), (60, 479797942), (65, 442890408), (78, 369075340), (104, 276806505), (120, 239898971), (130, 221445204), (156, 184537670), (195, 147630136), (260, 110722602), (312, 92268835), (390, 73815068), (520, 55361301), (780, 36907534), (1560, 18453767), (4253, 6768840), (4339, 6634680), (8506, 3384420), (8678, 3317340), (12759, 2256280), (13017, 2211560), (17012, 1692210), (17356, 1658670), (21265, 1353768), (21695, 1326936), (25518, 1128140), (26034, 1105780), (34024, 846105), (34712, 829335), (42530, 676884), (43390, 663468), (51036, 564070), (52068, 552890), (55289, 520680), (56407, 510360), (63795, 451256), (65085, 442312), (85060, 338442), (86780, 331734), (102072, 282035), (104136, 276445), (110578, 260340), (112814, 255180), (127590, 225628), (130170, 221156), (165867, 173560), (169221, 170120)]