668326140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21713}}^1$

素因数の和:21753

約数の個数: 120

約数和(自身を含む): 2207010960

約数和(自身を除く): 1538684820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 684, 810, 855, 1026, 1140, 1539, 1620, 1710, 2052, 2565, 3078, 3420, 5130, 6156, 7695, 10260, 15390, 21713, 30780, 43426, 65139, 86852, 108565, 130278, 195417, 217130, 260556, 325695, 390834, 412547, 434260, 586251, 651390, 781668, 825094, 977085, 1172502, 1237641, 1302780, 1650188, 1758753, 1954170, 2062735, 2345004, 2475282, 2931255, 3517506, 3712923, 3908340, 4125470, 4950564, 5862510, 6188205, 7035012, 7425846, 8250940, 8793765, 11138769, 11725020, 12376410, 14851692, 17587530, 18564615, 22277538, 24752820, 33416307, 35175060, 37129230, 44555076, 55693845, 66832614, 74258460, 111387690, 133665228, 167081535, 222775380, 334163070, 668326140]

約数ペア:

[(1, 668326140), (2, 334163070), (3, 222775380), (4, 167081535), (5, 133665228), (6, 111387690), (9, 74258460), (10, 66832614), (12, 55693845), (15, 44555076), (18, 37129230), (19, 35175060), (20, 33416307), (27, 24752820), (30, 22277538), (36, 18564615), (38, 17587530), (45, 14851692), (54, 12376410), (57, 11725020), (60, 11138769), (76, 8793765), (81, 8250940), (90, 7425846), (95, 7035012), (108, 6188205), (114, 5862510), (135, 4950564), (162, 4125470), (171, 3908340), (180, 3712923), (190, 3517506), (228, 2931255), (270, 2475282), (285, 2345004), (324, 2062735), (342, 1954170), (380, 1758753), (405, 1650188), (513, 1302780), (540, 1237641), (570, 1172502), (684, 977085), (810, 825094), (855, 781668), (1026, 651390), (1140, 586251), (1539, 434260), (1620, 412547), (1710, 390834), (2052, 325695), (2565, 260556), (3078, 217130), (3420, 195417), (5130, 130278), (6156, 108565), (7695, 86852), (10260, 65139), (15390, 43426), (21713, 30780)]