72008040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1489}}^1$

素因数の和:1547

約数の個数: 128

約数和(自身を含む): 240307200

約数和(自身を除く): 168299160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1489, 1560, 1612, 1860, 2015, 2418, 2978, 3224, 3720, 4030, 4467, 4836, 5956, 6045, 7445, 8060, 8934, 9672, 11912, 12090, 14890, 16120, 17868, 19357, 22335, 24180, 29780, 35736, 38714, 44670, 46159, 48360, 58071, 59560, 77428, 89340, 92318, 96785, 116142, 138477, 154856, 178680, 184636, 193570, 230795, 232284, 276954, 290355, 369272, 387140, 461590, 464568, 553908, 580710, 600067, 692385, 774280, 923180, 1107816, 1161420, 1200134, 1384770, 1800201, 1846360, 2322840, 2400268, 2769540, 3000335, 3600402, 4800536, 5539080, 6000670, 7200804, 9001005, 12001340, 14401608, 18002010, 24002680, 36004020, 72008040]

約数ペア:

[(1, 72008040), (2, 36004020), (3, 24002680), (4, 18002010), (5, 14401608), (6, 12001340), (8, 9001005), (10, 7200804), (12, 6000670), (13, 5539080), (15, 4800536), (20, 3600402), (24, 3000335), (26, 2769540), (30, 2400268), (31, 2322840), (39, 1846360), (40, 1800201), (52, 1384770), (60, 1200134), (62, 1161420), (65, 1107816), (78, 923180), (93, 774280), (104, 692385), (120, 600067), (124, 580710), (130, 553908), (155, 464568), (156, 461590), (186, 387140), (195, 369272), (248, 290355), (260, 276954), (310, 232284), (312, 230795), (372, 193570), (390, 184636), (403, 178680), (465, 154856), (520, 138477), (620, 116142), (744, 96785), (780, 92318), (806, 89340), (930, 77428), (1209, 59560), (1240, 58071), (1489, 48360), (1560, 46159), (1612, 44670), (1860, 38714), (2015, 35736), (2418, 29780), (2978, 24180), (3224, 22335), (3720, 19357), (4030, 17868), (4467, 16120), (4836, 14890), (5956, 12090), (6045, 11912), (7445, 9672), (8060, 8934)]