28518360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:309

約数の個数: 128

約数和(自身を含む): 93562560

約数和(自身を除く): 65044200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 101, 104, 120, 130, 156, 181, 195, 202, 260, 303, 312, 362, 390, 404, 505, 520, 543, 606, 724, 780, 808, 905, 1010, 1086, 1212, 1313, 1448, 1515, 1560, 1810, 2020, 2172, 2353, 2424, 2626, 2715, 3030, 3620, 3939, 4040, 4344, 4706, 5252, 5430, 6060, 6565, 7059, 7240, 7878, 9412, 10504, 10860, 11765, 12120, 13130, 14118, 15756, 18281, 18824, 19695, 21720, 23530, 26260, 28236, 31512, 35295, 36562, 39390, 47060, 52520, 54843, 56472, 70590, 73124, 78780, 91405, 94120, 109686, 141180, 146248, 157560, 182810, 219372, 237653, 274215, 282360, 365620, 438744, 475306, 548430, 712959, 731240, 950612, 1096860, 1188265, 1425918, 1901224, 2193720, 2376530, 2851836, 3564795, 4753060, 5703672, 7129590, 9506120, 14259180, 28518360]

約数ペア:

[(1, 28518360), (2, 14259180), (3, 9506120), (4, 7129590), (5, 5703672), (6, 4753060), (8, 3564795), (10, 2851836), (12, 2376530), (13, 2193720), (15, 1901224), (20, 1425918), (24, 1188265), (26, 1096860), (30, 950612), (39, 731240), (40, 712959), (52, 548430), (60, 475306), (65, 438744), (78, 365620), (101, 282360), (104, 274215), (120, 237653), (130, 219372), (156, 182810), (181, 157560), (195, 146248), (202, 141180), (260, 109686), (303, 94120), (312, 91405), (362, 78780), (390, 73124), (404, 70590), (505, 56472), (520, 54843), (543, 52520), (606, 47060), (724, 39390), (780, 36562), (808, 35295), (905, 31512), (1010, 28236), (1086, 26260), (1212, 23530), (1313, 21720), (1448, 19695), (1515, 18824), (1560, 18281), (1810, 15756), (2020, 14118), (2172, 13130), (2353, 12120), (2424, 11765), (2626, 10860), (2715, 10504), (3030, 9412), (3620, 7878), (3939, 7240), (4040, 7059), (4344, 6565), (4706, 6060), (5252, 5430)]